Sole structure for an article of footwear and related methods

Abstract

A sole structure of an article of footwear is provided that includes a first midsole portion having a first sidewall and a second midsole portion having a second sidewall. The sole structure further includes a first piece disposed between the first midsole portion and the second midsole portion and including a first surface and a second surface formed on an opposite side of the first piece from the first surface. The first piece includes one or more apertures extending through the first piece from the first surface to the second surface. The first midsole portion and the second midsole portion are operatively connected through the one or more apertures of the first piece.

Description

[0001] This application is a divisional application of the invention patent application filed on August 29, 2018, with application number 201880068779.7 and invention title "Sole Structure and Related Methods for Footwear Articles".

[0002] Cross-references to related applications

[0003] This application claims priority to U.S. Provisional Application No. 62 / 552,885, filed August 31, 2017, the contents of which are incorporated herein by reference in their entirety. Technical Field

[0004] The present invention generally relates to footwear articles, and more specifically, to sole structures for footwear articles. Background Technology

[0005] This section provides background information relating to this specification, but it is not necessarily prior art.

[0006] Footwear traditionally comprises an upper and a sole structure. The upper is formed of any suitable material (one or more) to receive, secure, and support the foot within the sole structure. The upper may work with laces, straps, or other fasteners to adjust the fit of the upper around the foot. The bottom portion of the upper—closer to the sole surface of the foot—is attached to the sole structure.

[0007] The sole structure generally comprises a stacked structure of a midsole and outsole extending between the ground surface and the upper. The sole provides frictional resistance and traction with the ground surface and can be formed of rubber or other materials that impart durability and abrasion resistance, as well as enhance traction with the ground surface. The midsole is positioned between the outsole and the upper. Although existing sole structures perform adequately for their intended purposes, improvements to sole structures are constantly sought to refine the technology. Attached Figure Description

[0008] The accompanying drawings described herein are for illustrative purposes only and are not intended to limit the scope of the invention. The selected embodiments are not all possible implementations.

[0009] Figure 1 It is a perspective view of a footwear article incorporating a sole structure according to the principles of the present invention;

[0010] Figure 2 yes Figure 1 A perspective exploded view of a portion of the footwear item;

[0011] Figure 3 It is based on Figure 2 A schematic top view of footwear items indicated by arrow 3;

[0012] Figure 4 It is based on Figure 2 Arrow 3 represents a footwear item; replace the top view with an illustration.

[0013] Figure 5 It is based on Figure 2 Arrow 3 represents another illustration of footwear items, replacing the top view;

[0014] Figure 6 It is based on Figure 3 , 4 Or a partial side view of footwear items indicated by arrow 6 of arrow 5;

[0015] Figure 7 It is based on Figure 3 , 4 Or any of the arrows in 5 or 6, representing a schematic replacement of the partial side view of footwear;

[0016] Figure 8 It is based on Figure 3 , 4 Alternatively, one of the arrows in 5 or 6 can be used as an alternative partial side view of footwear.

[0017] Figure 9 It is based on Figure 3 , 4 Or any of the arrows in 5 or 6, another illustration of footwear replacing the partial side view;

[0018] Figure 10 Is with Figure 2 Perspective view of the corresponding footwear item and example mold tool;

[0019] Figure 11 It is arranged in an assembled state. Figure 10 Another perspective view of the footwear and mold tools;

[0020] Figure 12 It is a perspective view of a footwear article incorporating a sole structure according to the principles of the present invention;

[0021] Figure 13 yes Figure 12 A perspective exploded view of a portion of the footwear item;

[0022] Figure 14 It is based on Figure 13 A schematic top view of footwear items indicated by arrow 14;

[0023] Figure 15 It is based on Figure 13 Arrow 14 represents a footwear item; replace the top view with an illustration.

[0024] Figure 16 It is based on Figure 13 Another illustration of footwear items, represented by arrow 14, replaces the top view;

[0025] Figure 17 It is based on Figure 14 , 15 Or a schematic partial side view of footwear items with arrows 16 or 17;

[0026] Figure 18 It is based on Figure 14 , 15 Or any of the arrows in 16 or 17, representing a schematic replacement of the partial side view of footwear;

[0027] Figure 19 It is based on Figure 14 , 15 Or another schematic partial alternative side view of the footwear item of either arrow 16 or arrow 17;

[0028] Figure 20 This is another schematic partial replacement side view of footwear based on any of the arrows 17 in the figure;

[0029] Figure 21 Is with Figure 13 Perspective view of the corresponding footwear item and example mold tool;

[0030] Figure 22 It is arranged in an assembled state. Figure 21 Another perspective view of the footwear and mold tools;

[0031] Figure 23 It is a perspective view of a footwear article incorporating a sole structure according to the principles of the present invention;

[0032] Figure 24 yes Figure 23 A perspective exploded view of a portion of the footwear item;

[0033] Figure 25 It is based on Figure 24 A schematic top view of footwear items indicated by arrow 25;

[0034] Figure 26 It is based on Figure 24 Arrow 25 represents a footwear item, replacing the top view;

[0035] Figure 27 It is based on Figure 24 Another illustration of footwear items, represented by arrow 25, is shown in the top view.

[0036] Figure 28 It is based on Figure 25 , 26 Or a schematic partial side view of footwear items with arrows 27 or 28;

[0037] Figure 29 It is based on Figure 25 , 26 Or any of the arrows in 27 or 28, representing a partial replacement side view of footwear;

[0038] Figure 30 It is based on Figure 25 , 26 Or another schematic partial alternative side view of footwear items, either of arrows 27 or 28;

[0039] Figure 31 It is based on Figure 25 , 26 Or another schematic partial replacement side view of footwear items, either of arrows 27 or 28;

[0040] Figure 32 Is with Figure 24 Perspective view of the corresponding footwear item and example mold tool;

[0041] Figure 33 It is arranged in an assembled state. Figure 32 Another perspective view of the footwear and mold tools;

[0042] Figure 34 It can be included Figure 1-33 Exploded perspective views of an alternative first midsole portion having a non-flat pattern and an alternative second midsole portion having a non-flat pattern in any of the aforementioned footwear items;

[0043] Figure 35 It includes Figure 34 A schematic partial side view of a footwear item showing the first and second midsole portions;

[0044] Figure 36 It can be included Figure 1-33 An exploded perspective view of a first midsole portion having a non-flat pattern and a second midsole portion having a non-flat pattern in any of the aforementioned footwear items;

[0045] Figure 37 It includes Figure 36 A schematic partial side view of a footwear item showing the first and second midsole portions;

[0046] Figure 38 It includes Figure 1-33 A schematic partial side view of a footwear item with a first midsole portion and a second midsole portion and one or more alternative example material strips having a non-flat pattern;

[0047] Figure 39 It includes Figure 1-33A schematic partial side view of a footwear item with a first midsole portion and a second midsole portion and one or more alternative example material strips having a non-flat pattern;

[0048] Figure 40 This is a perspective view of a foam cutting system, which includes a receiver section, an insertion section, and a foam workpiece section;

[0049] Figure 41 yes Figure 40 Side view of the foam cutting system and foam workpiece portion;

[0050] Figure 42 yes Figure 41 Another side view of the foam cutting system and the foam workpiece section;

[0051] Figure 43 yes Figure 42 Another side view of the foam cutting system and foam workpiece section, which shows that the foam workpiece section is divided into a midsole part section and a scrap part section;

[0052] Figure 44 yes Figure 43 Another side view of the foam cutting system and foam workpiece section shows the separated foam workpiece sections used to define the midsole component section and the scrap component section.

[0053] Figure 45 yes Figure 40 A view of the foam cutting system and another foam workpiece section from the other side;

[0054] Figure 46 yes Figure 45 Another side view of the foam cutting system and the foam workpiece section shows that the foam workpiece section is divided into a midsole component section and a scrap component section; and

[0055] Figure 47 yes Figure 46 Another side view of the foam cutting system and foam workpiece section, showing the foam workpiece section, which is separated to define the midsole part section and the scrap part section.

[0056] In all the views in the accompanying drawings, the corresponding reference numerals indicate the corresponding parts. Detailed Implementation

[0057] This description relates to sole construction for footwear articles. The sole construction includes one or more midsole portions (e.g., see first midsole portions 36, 36a, 36b, 36c, 36d, 36e and second midsole portions 44, 44a, 44b, 44c, 44d, 44e) and one or more material strips 52, 52a, 52b, 52c, 52d, 52e (e.g., see material strips 521-523, 52a1-52a3, 52b1-52b6, 52c1-52c3, 52d1-52d3, 52e1-52e3 of the one or more material strips 52, 52a, 52b, 52c, 52d, 52e). In one example, the one or more midsole portions may be molded around, through, or both around and through the one or more material strips. One or more of the material strips and one or more of the midsole portions may be pre-formed to define a pattern (e.g., a sine pattern, a zigzag pattern, etc.). One or a combination of the material strips and patterns contributes to desired characteristics (e.g., shear strength, shear stability, shear load) in one or more regions of the sole structure of the footwear article (e.g., forefoot region, midfoot region, and heel region). Accordingly, when a load is applied to the sole structure by the user's foot, the sole structure can provide improved stability along one or a combination of the parallel and perpendicular load directions.

[0058] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments are provided so that this description will be thorough and fully convey the scope to those skilled in the art. Numerous specific details are set forth, such as examples of particular components, apparatuses, and methods, in order to provide a thorough understanding of embodiments of this specification. It will be apparent to those skilled in the art that the specific details are not required, that these example embodiments may be embodied in many different forms, and are not to be construed as limiting the scope of this specification. In some example embodiments, known methods, known apparatus structures, and known techniques are not described in detail.

[0059] The terminology used herein is for the purpose of describing particular example embodiments and is not intended to be limiting. As used herein, the singular forms “a,” “one,” and “the” may also be intended to cover the plural forms unless expressly indicated otherwise. The terms “comprises,” “comprising,” “including,” and “having” are inclusive and therefore indicate the presence of said features, integers, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as requiring them to be performed in the particular order discussed or shown, unless specifically stated otherwise. It is also understood that additional or alternative steps may be used.

[0060] When an element or piece is referred to as “on another element or piece,” “joined to,” “connected to,” or “attached to,” it may be directly on, joined to, connected to, or attached to that other element or piece, or an intervening element or piece may be present. Conversely, when an element is referred to as “directly on another element or piece,” “directly joined to,” “directly connected to,” or “directly attached to,” an intervening element or piece may not be present. Other terms used to describe relationships between elements should be understood in the same manner (e.g., “between” versus “directly between,” “adjacent” versus “directly adjacent,” etc.). As used herein, the term “and / or” includes any and all combinations of one or more of the associated listed items.

[0061] Although the terms first, second, third, etc., may be used herein to describe various elements, components, regions, pieces, and / or portions, these elements, components, regions, pieces, and / or portions should not be limited by these terms. These data may be used only to distinguish one element, component, region, piece, or portion from another. When used herein, terms such as “first,” “second,” and other numerical terms do not imply order or sequence unless clearly indicated herein. Thus, a first element, component, region, piece, or portion discussed below may be referred to as a second element, component, region, piece, or portion without departing from the teachings of the exemplary embodiments.

[0062] Spatial relative terms—such as “inside,” “outside,” “below,” “below,” “under,” “above,” “above,” etc.—are used herein to facilitate description of the relationship between one element or feature as shown and another element(s) or feature(s). Spatial relative terms may be intended to cover different orientations of the device in use or operation other than those shown. For example, if the device in the figure is flipped over, the element described as “below” or “below” other elements or features would be oriented “above” those other elements or features. Thus, the example term “below” can cover both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or otherwise), and the spatial relative descriptive terms used herein are interpreted accordingly.

[0063] One aspect of this specification provides a sole structure for footwear articles and a related method. The sole structure includes a first midsole portion having a first sidewall and a second midsole portion having a second sidewall. The sole structure also includes a first piece disposed between the first and second midsole portions and including a first surface and a second surface formed on a side of the first piece opposite to the first surface. The first piece includes one or more holes extending through the first piece from the first surface to the second surface. The first and second midsole portions are operatively connected through the one or more holes in the first piece.

[0064] Embodiments of this specification may include one or more of the following optional features. In some examples, the sole structure includes a second piece disposed between the first midsole portion and the second midsole portion. The second piece may include a third surface and a fourth surface formed on a side of the second piece opposite to the third surface. The sole structure may also include one or more holes extending through the second piece from the third surface to the fourth surface. In these examples, the second piece may be spaced apart from the first piece along a first direction. The first direction may be generally parallel to the longitudinal axis of the sole structure. The second piece and the first piece may each include a longitudinal axis that is generally perpendicular to the longitudinal axis of the sole structure. Optionally, the second piece and the first piece may each include a longitudinal axis that is formed at an angle relative to the longitudinal axis of the sole structure. Additionally or alternatively, the longitudinal axes of the first piece and the second piece may be generally parallel to each other, or the longitudinal axes of the first piece and the second piece may converge. When the second piece is disposed between the first midsole portion and the second midsole portion, the second piece may contact the first piece. The second piece may span over the first piece.

[0065] In some embodiments, the first distal end of the first piece is visible at one of the medial and lateral sides of the sole structure. Here, the second distal end of the first piece may be visible at the other of the medial and lateral sides of the sole structure. Alternatively, the first distal end of the first piece may extend from one of the medial and lateral sides of the sole structure. Here, the second distal end of the first piece may extend from the other of the medial and lateral sides of the sole structure.

[0066] In some constructions, the first distal end of the first piece is generally flat at one of the medial and lateral sides of the sole structure, and the second distal end of the first piece is generally flat at the other of the medial and lateral sides of the sole structure. Optionally, the first distal end of the first piece may include a sinusoidal shape at one of the medial and lateral sides of the sole structure, and the second distal end of the first piece may include a sinusoidal shape at the other of the medial and lateral sides of the sole structure. Additionally or alternatively, the first distal end of the first piece may include a serrated shape at one of the medial and lateral sides of the sole structure, and the second distal end of the first piece may include a serrated shape at the other of the medial and lateral sides of the sole structure.

[0067] In some examples of the sole structure, each of the one or more holes has a length of at least 3.0 mm in its maximum dimension and at least 1 mm in its minimum dimension. Each of the one or more holes may be a post-processed hole defined by removing material from a first piece. The first piece may be woven, knitted, or braided and is used to integrally define each of the one or more holes. The sole structure may also include an outsole, which includes a ground contact surface. Here, a first midsole portion may be disposed between the outsole and the first piece. Optionally, the first midsole portion may define at least one first contact area, and a second midsole portion may define at least one second contact area. The at least one first contact area may contact the at least one second contact area at the one or more holes. In some examples, the first midsole portion and the second midsole portion are bonded to each other at the one or more holes. Additionally or alternatively, the materials of the first midsole portion and the second midsole portion may be fused at the one or more holes.

[0068] In some configurations, a first midsole portion includes a first surface that contacts the first piece, and a second midsole portion includes a second surface that contacts the first piece. The first surface of the first midsole portion and the second surface of the second midsole may each include a plurality of surface features. Here, each of the plurality of surface features may have a minimum height or depth of at least 2 mm, or a minimum height or depth of at least 5 mm. Each of the plurality of surface features may have a maximum height or depth of less than 22 mm, or a maximum height or depth of less than 17 mm. The height or depth of each of the plurality of surface features may range from about 2 mm to about 15 mm.

[0069] In some embodiments, the first midsole portion includes a first series of peaks and a first series of valleys, and the second midsole portion includes a second series of peaks and a second series of valleys. The first series of peaks may be opposite to the second series of valleys, and the second series of peaks may be opposite to the first series of valleys. The first piece may conform to the shape of the first series of peaks and valleys, and may also conform to the shape of the second series of peaks and valleys. The first series of peaks, valleys, peaks, and valleys cooperate to provide the first piece with a side surface having a sinusoidal or serrated configuration. In some examples, the sole structure includes an adhesive disposed between the first midsole portion and the second midsole portion. The adhesive may be applied to at least one of the first midsole portion, the second midsole portion, a first surface of the piece, and a second surface of the piece.

[0070] In some configurations, the first piece comprises a mesh fabric that defines one or more holes in the mesh structure. Each of the one or more holes may have a length of at least 0.5 mm in the maximum dimension, or each may have a length of at least 1.0 mm in the maximum dimension. Additionally or alternatively, each of the one or more holes may have a length of less than 10 mm in the maximum dimension, less than 5.0 mm in the maximum dimension, or less than 3.0 mm in the maximum dimension. Optionally, each of the one or more holes may have a length of about 0.5 mm to about 3.0 mm in the maximum dimension.

[0071] In some examples, the first piece is a fabric constructed to be stretched along only one dimension. Alternatively, the first piece can be a fabric stretched along two dimensions. The first piece can be an embroidered fabric. The embroidered fabric may include a first embroidered area and a second embroidered area. The first embroidered area may have a different fiber concentration than the second embroidered area. Additionally or alternatively, the first piece includes embroidered areas arranged at discrete locations on the piece.

[0072] In some embodiments, at least one of the first midsole portion and the second midsole portion is formed of a polymer material having a foam structure. The polymer material having a foam structure can be injection molded foam or extrusion molded foam.

[0073] Another aspect of this specification provides a method for manufacturing a sole structure for footwear. The method includes providing a first midsole portion including a first sidewall and a second midsole portion including a second sidewall. The method further includes disposing a first sheet of material between the first and second midsole portions. The first sheet has a first surface and a second surface formed on a side of the first sheet opposite to the first surface. The first sheet also includes one or more holes extending through the first sheet from the first surface to the second surface. The method further includes connecting the first and second midsole portions through said one or more holes in the first sheet.

[0074] This specification describes embodiments that may include one or more of the following optional features. In some examples, the method includes positioning a second piece between a first midsole portion and a second midsole portion. In this example, positioning the second piece may include providing a second piece having a third surface and a fourth surface formed on a side of the second piece opposite to the third surface. The method may also include providing one or more holes extending through the second piece from the third surface to the fourth surface. The method may also include spaced the second piece from the first piece along a first direction. Here, spaced the second piece from the first piece along the first direction may include spaced the second piece from the first piece along a direction that generally extends with respect to the longitudinal axis of the sole structure.

[0075] In some embodiments, the method includes providing longitudinal axes for the second and first pieces, which are generally perpendicular to the longitudinal axis of the sole structure. Optionally, the method may include providing longitudinal axes for the second and first pieces, which are formed at an angle to the longitudinal axis of the sole structure. Additionally or alternatively, the method may include positioning the longitudinal axes of the first and second pieces generally parallel to each other, or positioning the longitudinal axes of the first and second pieces converge to each other. The method may include arranging the second piece in contact with the first piece. When the second piece is arranged in contact with the first piece, the method may include intersecting the second and first pieces.

[0076] In some configurations, the method includes exposing a first distal end of the first piece at one of the medial and lateral sides of the sole structure. The method may also include exposing a second distal end of the first piece at the other of the medial and lateral sides of the sole structure. Optionally, the method may include extending the first distal end of the first piece from one of the medial and lateral sides of the sole structure. Here, the method may also include extending the second distal end of the first piece from the other of the medial and lateral sides of the sole structure.

[0077] In some examples, the method includes providing a generally flat configuration for a first distal end of the first piece at one of the medial and lateral sides of the sole structure, and providing a generally flat configuration for a second distal end of the first piece at the other of the medial and lateral sides of the sole structure. Optionally, the method may include providing a sinusoidal shape for the first distal end of the first piece at one of the medial and lateral sides of the sole structure, and providing a sinusoidal shape for the second distal end of the first piece at the other of the medial and lateral sides of the sole structure. Additionally or alternatively, the method may include providing a serrated shape for the first distal end of the first piece at one of the medial and lateral sides of the sole structure, and providing a serrated shape for the second distal end of the first piece at the other of the medial and lateral sides of the sole structure.

[0078] In some embodiments, the method includes providing each of the one or more holes with a length of at least 3.0 mm in a maximum dimension. Optionally, the method may include providing each of the one or more holes with a length of at least 1 mm in a minimum dimension. The method may include forming each of the one or more holes by removing material from a first sheet. Additionally or alternatively, positioning the first sheet may include positioning a woven, knitted, or braided sheet for integrally defining each of the one or more holes. The method may also include providing an outsole that includes a ground contact surface. When providing an outsole that includes a ground contact surface, the method may also include placing a first midsole portion between the outsole and the first sheet.

[0079] In some examples, providing a first midsole portion includes providing a first midsole portion defining at least one first contact area, and providing a second midsole portion includes providing a second midsole portion defining at least one second contact area. Here, the at least one first contact area may contact the at least one second contact area at the one or more holes. The method may also include bonding the first midsole portion and the second midsole portion to each other at the one or more holes. Additionally or alternatively, the method may also include fusing materials of the first midsole portion and the second midsole portion at the one or more holes.

[0080] In some configurations, the method further includes contacting a first surface of a first midsole portion with a first piece, and contacting a second surface of a second midsole portion with the first piece. The first surface of the first midsole portion and the second surface of the second midsole may each include a plurality of surface features. The method may further include providing a minimum height or depth of at least 2 mm or at least 5 mm for each of the plurality of surface features. Additionally or alternatively, the method may further include providing a minimum height or depth of less than 22 mm or a maximum height or depth of less than 17 mm for each of the plurality of surface features. Optionally, the method may further include providing a height or depth ranging from about 2 mm to about 15 mm for each of the plurality of surface features.

[0081] In some embodiments, the method includes providing a first series of peaks and a first series of valleys for a first midsole portion, and providing a second series of peaks and a second series of valleys for a second midsole portion. Here, the method may include aligning the first series of peaks with the second series of valleys, and aligning the second series of peaks with the first series of valleys. The method may also include conforming a first sheet to the shapes of the first series of peaks and the first series of valleys, and conforming the first sheet to the shapes of the second series of peaks and the second series of valleys. Optionally, the method may include providing a side surface with a sinusoidal or serrated structure for the first sheet.

[0082] In some examples, the method includes positioning an adhesive between a first midsole portion and a second midsole portion. The adhesive may be applied to at least one of the first midsole portion, the second midsole portion, a first surface of the sheet, and a second surface of the sheet. When positioning the first sheet, the method may include positioning the first sheet comprising a mesh fabric that defines the one or more holes in a mesh structure. The method may also include providing each of the one or more holes with a length of at least 0.5 mm in maximum dimension, or may include providing each of the one or more holes with a length of at least 1 mm in maximum dimension. Optionally, the method may also include providing each of the one or more holes with a length of less than 10 mm in maximum dimension, less than 5.0 mm in maximum dimension, or less than 3.0 mm in maximum dimension. Additionally or alternatively, the method may also include providing each of the one or more holes with a length of about 0.5 mm to about 3.0 mm in maximum dimension.

[0083] In some configurations, when setting the first piece, the method includes setting the first piece as a fabric configured to be stretched along only one dimension, or the method includes setting the first piece as a fabric configured to be stretched along two dimensions. When setting the first piece, the method may also include setting the first piece as an embroidered fabric. Here, the embroidered fabric may include fabric having a first embroidered area and a second embroidered area. The first embroidered area may have a different fiber concentration than the second embroidered area. Optionally, the method may also include setting embroidered areas for the first piece, the embroidered areas being arranged at discrete locations on the piece.

[0084] In some examples, the method includes forming at least one of a first midsole portion and a second midsole portion from a polymer material having a foam structure. When at least one of the first midsole portion and the second midsole portion is formed from a polymer material having a foam structure, the method may include incorporating injection-molded foam. Optionally, when at least one of the first midsole portion and the second midsole portion is formed from a polymer material having a foam structure, the method may include incorporating extruded molded foam.

[0085] refer to Figure 1 An example footwear article 10 is provided, which includes an upper 12 and a sole structure 14 attached to the upper 12. The sole structure 10 may be divided into one or more regions. The regions may include a forefoot portion 16, a midfoot portion 18, and a heel portion 20. The forefoot portion 16 may correspond to the joints connecting the metatarsals and phalanges of the foot and the toes. The midfoot portion 18 may correspond to the arch region of the foot, while the heel portion 18 may correspond to the rear portion of the foot, including the calcaneus. The footwear article 10 may additionally include medial sides 22 and lateral sides 24, which correspond to opposite sides of the footwear article 10 and extend through regions 16, 18, and 20.

[0086] The sole structure 14 includes a midsole 28 and optionally an outsole 26. A cushioning structure (not shown) may optionally be arranged generally between the outsole 26 and the midsole 28.

[0087] refer to Figure 2 The outsole 26 includes a midsole contact surface 30 and a ground contact surface 32. The outsole 26 also includes a sidewall surface 34 extending between the midsole contact surface 30 and the ground contact surface 32.

[0088] For example, as in Figure 2 As shown, the midsole 28 includes a first midsole portion 36 and a second midsole portion 44. The first midsole portion 36 includes a top surface 38, a bottom surface 40, and a sidewall surface 42 extending between the top surface 38 and the bottom surface 40. The sidewall surface 42 may define the thickness (T) of the first midsole portion 36 extending between the top surface 38 and the bottom surface 40. 36 ).

[0089] The top surface 38 and bottom surface 40 of the first midsole portion 36 can substantially define the outer surface profile of the first midsole portion 36. In one example, each of the top surface 38 and bottom surface 40 of the first midsole portion 36 can be substantially flat (e.g., planar). In this respect, each of the top surface 38 and bottom surface 40 can be uninterrupted by one or more recesses, channels, valleys, or other similar features. Furthermore, in one example, the top surface 38 of the first midsole portion 36 can be substantially parallel to the bottom surface 40 of the first midsole portion 36, thereby the thickness (T) of the first midsole portion 36... 36 ) The length (L) spanning the sole structure 14 14 They are largely the same, for example, in Figure 11 As shown in the image.

[0090] Continue to refer to Figure 2 The second midsole portion 44 includes a top surface 46, a bottom surface 48, and a sidewall surface 50 extending between the top surface 46 and the bottom surface 48. The sidewall surface 50 may define the thickness (T) of the second midsole portion 44 extending between the top surface 46 and the bottom surface 48. 44 ).

[0091] The top surface 46 and bottom surface 48 of the second midsole portion 44 can substantially define the outer surface profile of the second midsole portion 44. In one example, each of the top surface 46 and bottom surface 48 of the second midsole portion 44 can be substantially flat (e.g., planar). In this respect, each of the top surface 46 and bottom surface 48 may not be interrupted by one or more recesses, channels, valleys, or other similar features. Furthermore, in one example, the top surface 46 of the second midsole portion 44 can be substantially parallel to the bottom surface 48 of the second midsole portion 44, thereby the thickness (T) of the second midsole portion 44... 44) The length (L) spanning the sole structure 14 14 They are largely the same, for example, in Figure 11 As shown in the image.

[0092] In some examples, at least one of the first midsole portion 36 and the second midsole portion 44 is formed of a foam material. In some cases, one or both of the first midsole portion 36 and the second midsole portion 44 are formed of a polymer material. In some examples, the first midsole portion 36 and the second midsole portion 44 are formed of the same material. In another example, the first midsole portion 36 and the second midsole portion 44 are formed of different materials. The first midsole portion 36 may be formed of a first material, and the second midsole portion 44 may be formed of a second material. The first material forming the first midsole portion 36 may have substantially the same stiffness as the second material forming the second midsole portion 44. In some cases, the first material forming the first midsole portion 36 has a different stiffness than the second material forming the second midsole portion 44. In other examples, the first material forming the first midsole portion 36 is the same as the second material forming the second midsole portion 44. In yet another example, the first material forming the first midsole portion 36 is different from the second material forming the second midsole portion 44.

[0093] like Figure 2-3 As shown, the footwear article 10 also includes one or more material strips 52. In one example, the one or more material strips 52 may include three material strips 521-523.

[0094] refer to Figure 3 , 4 And 5, if the one or more material strips 52 include, for example, three material strips 521-523, in some cases, the one or more material strips 52 may be configured as follows: (1) the width (W) of the first material strip 521 52-1 The width (W) of the forefoot area 16 spanning the footwear item 10 16 (2) The width (W) of the second material strip 522 extends from the inside 22 to the outside 24 of the footwear item 10. 52-2 The width (W) of the midfoot area 18 spanning the footwear 10 18 (3) The width (W) of the third material strip 523 extending from the inner side 22 to the outer side 24 of the footwear 10. 52-1 The width (W) of the heel area 20 spanning the footwear item 10 20 (Extending from the inside 22 to the outside 24 of the footwear item 10.) Figure 3 , 4 As shown in Figure 5, the width (W) of each material strip 521-523 of the one or more material strips 52 52-1 ), (W 52-2 ), (W 52-3Along the corresponding axis A 16 -A 16 A 18 -A 18 A 20 -A 20 Roughly vertical θ 52 The extension corresponds to the length (L) relative to the length along the sole structure 14. 14 Extended axis A 14 -A 14 The width (W) of the forefoot area 16, midfoot area 18 and heel area 20 of footwear item 10 16 W 18 W 20 ).

[0095] Return to reference Figure 2 Each of the one or more material strips 52, 521-523, includes a top surface 54, a bottom surface 56, and a sidewall surface 58 extending between the top surface 54 and the bottom surface 56. The sidewall surface 58 may define the thickness (T) of each of the one or more material strips 521-523 extending between the top surface 54 and the bottom surface 56. 52 ).

[0096] In one example, each of the one or more material strips 52, 521-523, is formed of a flexible material. Each of the one or more material strips 52, 521-523, may include woven fabric, woven textile (e.g., see...). Figure 2 Each material has a magnified view of 52) or knitted textiles (see, for example, see...). Figure 2 (Enlarged view of each material strip 52). In some cases, each material strip 521-523 of the one or more material strips 52 is porous. Each material strip 521-523 of the one or more material strips 52 may be formed of a polymeric material, such as a thermoplastic polymeric material. Exemplary thermoplastic polymeric materials may include, for example, thermosetting polymeric materials. In some cases, each material strip 521-523 of the one or more material strips 52 may be a thermoformable material. In some examples, if each material strip 52 is a woven or knitted structure (e.g., in... Figure 2 (As can be seen in the magnified view), woven or knitted structures can be formed from polymer yarns. Furthermore, in some examples, if each material strip 52 is a woven or knitted structure (e.g., in...), Figure 2(As can be seen in the enlarged view), each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52 may, for example, be at least 0.5 mm in length at its maximum dimension, or at least 1.0 mm in length at its maximum dimension. Furthermore, each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52 may allow one or both of the first midsole portion 36 and the second midsole portion 44 to be in direct contact with each other. In other embodiments, one or both of the first midsole portion 36 and the second midsole portion 44 may be injection molded around or through each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52.

[0097] In some cases, each material strip 521-523 of the one or more material strips 52 is embroidered fabric. In some examples, each material strip 521-523 of the one or more material strips 52 has one or more first regions and one or more second regions, the first region including embroidery, the second region having no embroidery or having a smaller percentage of embroidered surface area compared to the first region. The embroidery may provide reduced stretch or "locking" features to the regions of each material strip 521-523 of the one or more material strips 52. Each material strip 521-523 of the one or more material strips 52 provides reduced stretch mass and may be positioned, for example, in the region of each material strip 521-523 between the first midsole portion 36 and the second midsole portion 44, or alternatively, in the region extending beyond the sidewall surface 58 of each material strip 521-523 of the one or more material strips 52.

[0098] refer to Figure 2 The first midsole portion 36 is positioned between the outsole 26 and the upper 12. When... Figure 1 When the sole structure 14 shown is attached to the upper 12, the second midsole portion 44 is positioned between the first midsole portion 36 and the upper 12. For example... Figure 2 and 11 As shown, each of the one or more material strips 52, 521-523, is disposed between the first midsole 36 and the second midsole portion 44. The bottom surface 56 of each of the one or more material strips 52, 521-523, extends across the top surface 38 of the first midsole portion 36. The top surface 54 of each of the one or more material strips 52, 521-523, extends across the bottom surface 48 of the second midsole portion 44.

[0099] like Figure 2 As shown, the sidewall surface 58 of each of the one or more material strips 52, 521-523, can further extend through the inner sidewall surface portion 58. M and the outer sidewall surface portion 58L Limitation. The width (W) of each material strip 521-523 of the one or more material strips 52 52-1 W 52-2 W 52-3 ) on the inner sidewall surface portion 58 of each of the one or more material strips 52, 521-523 M and the outer sidewall surface portion 58 L Extending between them. Furthermore, the sidewalls 42, 50 of each of the first midsole portion 36 and the second midsole portion 44 can further extend through the inner sidewall surface portion 42. M 50 M and the outer sidewall surface portion 42 L 50 L The width (W) of each of the first midsole portion 36 and the second midsole portion 44 is defined accordingly. 36 W 44 The width (W) of each of the first midsole portion 36 and the second midsole portion 44 36 W 44 The widths (W) of the forefoot region 16, midfoot region 18, and heel region 20 of the sole structure 14 of the footwear article 10 vary accordingly, and for example, define the widths of these regions. 16 W 18 W 20 ).

[0100] refer to Figure 2 and Figure 7 , 8 And 9, the inner sidewall surface portion 58 of each of the one or more material strips 52, 521-523. M and the outer sidewall surface portion 58 L The width of the extension between (W) 52-1 W 52-2 W 52-3 (W) can be relative to the width (W) of the first midsole portion 36 and the second midsole portion 44. 36 W 44 ) Selectively set the size. For example... Figure 2 , 3 As shown in Figure 6, the width (W) of each material strip 521-523 of the one or more material strips 52 52-1 W 52-2 W 52-3 The dimensions are selectively set such that the inner sidewall surface portion 58 of each of the one or more material strips 521-523 is... M and the outer sidewall surface portion 58 L Each of the inner sidewall surface portions 42 of the first midsole portion 36 and the second midsole portion 44 respectively M50 M and the outer sidewall surface portion 42 L 50 L Alignment. As described above, the corresponding inner sidewall surface portion 42... M 50 M 58 M and the outer sidewall surface portion 42 L 50 L 58 L As a result of the alignment, when observing the inner side 22 or outer side 24 of the sole structure 14, the inner sidewall surface portion 58 of each material strip 521-523 of the one or more material strips 52 M Or the outer sidewall surface portion 58 L It is visible.

[0101] In such Figure 7 In another example shown, the width (W) of each material strip 521-523 of the one or more material strips 52 52-1 W 52-2 W 52-3 The dimensions are selectively set such that the inner sidewall surface portion 58 of each of the one or more material strips 521-523 is... M and the outer sidewall surface portion 58 L Each of the inner sidewall surface portions 42 of the first midsole portion 36 and the second midsole portion 44 is not connected to the inner sidewall surface portion 42 of the first midsole portion 36. M 50 M and the outer sidewall surface portion 42 L 50 L Aligned and not extending beyond it. As the corresponding inner sidewall surface portion 42 described above. M 50 M 58 M and the outer sidewall surface portion 42 L 50 L 58 L As a result of misalignment, when observing the inner 22 or outer 24 of the sole structure 14, the inner sidewall surface portion 58 of each material strip 521-523 of the one or more material strips 52... M Or the outer sidewall surface portion 58 L It is invisible.

[0102] In such Figure 8 In another example shown, the width (W) of each material strip 521-523 of the one or more material strips 52 52-1 W 52-2 W 52-3The dimensions are selectively set such that the inner sidewall surface portion 58 of each of the one or more material strips 521-523 is... M and the outer sidewall surface portion 58 L Each of the inner sidewall surface portions 42 extending beyond the first midsole portion 36 and the second midsole portion 44 M 50 M and the outer sidewall surface portion 42 L 50 L Therefore, from the inner sidewall surface portion 58 of each of the one or more material strips 521-523... M Each width (W) of each of the one or more extended material strips 52, material strips 521-523 52-1 ), (W 52-2 ), (W 52-3 The first part (W) 52-P1 ) and the outer sidewall surface portion 58 of each of the one or more material strips 52, 521-523. L Each width (W) of each of the one or more extended material strips 52, material strips 521-523 52-1 ), (W 52-2 ), (W 52-3 The second part (not shown) may correspondingly be, for example, along the inner sidewall surface portion 42 of each of the first midsole portion 36 and the second midsole portion 44. M 50 M and the outer sidewall surface portion 42 L 50 L Extend and arrange them adjacent to it. However, as Figure 8 As shown, each width (W) of each material strip 521-523 of the one or more material strips 52 52-1 ), (W 52-2 ), (W 52-3 The first part (W) 52-P1 ) and each width (W) of each of the one or more material strips 521-523 52-1 ), (W 52-2 ), (W 52-3 The second part (not shown) does not extend accordingly along the upper 12 of the footwear article 10, nor is it arranged adjacent to it accordingly. Therefore, when observing the inner 22 or outer 24 of the sole structure 14, each width (W) of each material strip 521-523 of the one or more material strips 52 is... 52-1 ), (W 52-2 ), (W 52-3 The first part (W) 52-P1) and each width (W) of each of the one or more material strips 521-523 52-1 ), (W 52-2 ), (W 52-3 The second part (not shown) is visible.

[0103] In such Figure 9 In another example shown, the width (W) of each material strip 521-523 of the one or more material strips 52 52-1 W 52-2 W 52-3 The dimensions are selectively set such that the inner sidewall surface portion 58 of each of the one or more material strips 521-523 is... M and the outer sidewall surface portion 58 L Each of the inner sidewall surface portions 42 extending beyond the first midsole portion 36 and the second midsole portion 44 M 50 M and the outer sidewall surface portion 42 L 50 L Therefore, from the inner sidewall surface portion 58 of each of the one or more material strips 521-523... M Each width (W) of each of the one or more extended material strips 52, material strips 521-523 52-1 ), (W 52-2 ), (W 52-3 The first part (W) 52-P1 ) and the outer sidewall surface portion 58 of each of the one or more material strips 52, 521-523. L Each width (W) of each of the one or more extended material strips 52, material strips 521-523 52-1 ), (W 52-2 ), (W 52-3 The second part (not shown) may correspondingly extend and be arranged adjacent to: (1) the inner sidewall surface portion 42 of each of the first midsole portion 36 and the second midsole portion 44. M 50 M and the outer sidewall surface portion 42 L 50 L (2) At least a portion of the inner and outer sides of the upper 12. Therefore, when observing the inner 22 or outer 24 of the sole structure 14, each width (W) of each material strip 521-523 of the one or more material strips 52 is considered. 52-1 ), (W 52-2 ), (W 52-3 The first part (W) 52-P1) and each width (W) of each of the one or more material strips 521-523 52-1 ), (W 52-2 ), (W 52-3 The second part (not shown) is visible.

[0104] refer to Figure 4 and 5 At least one strip 521-523 of the one or more material strips 52 (see, for example) Figure 4 With 521-523 or Figure 5 One or more regions of a strip 522 may further define at least one channel or hole 68 of at least one strip 521-523 of the one or more material strips 52, or the absence thereof. The at least one channel 68 extends through the thickness (T) of the at least one strip 521-523 of the one or more material strips 52 between the top surface 54 and the bottom surface 56. 52 If the polymer material defines one or both of the first midsole portion 36 and the second midsole portion 44, the polymer material may be molded around any surface defining the at least one strip 521-523 of the one or more material strips 52 and / or through the thickness (T) of the at least one strip 521-523 extending through the one or more material strips 52. 52 At least one channel 68 is molded.

[0105] The at least one channel 68 may include multiple channels or holes 681-68 n For example, the at least one channel 68 may include a first channel 681 and a last channel 68. n and one or more intermediate channels 682-68 n-1 In one example, such as Figure 4 As shown, the multiple channels 681-68 n The plurality of channels or holes 681-68 can be arranged in any desired pattern (e.g., (1) an arranged grid, (2) staggered rows and columns, or (3) a random pattern). n Arranged between the forefoot region 16 and the heel region 20 of the sole structure 14 (i.e., spanning substantially most or all of the length of the sole structure 14). 14 The width (W) spanning the sole structure 14 between the inner 22 and outer 24 of the footwear 10. 14 In other embodiments, the plurality of channels 681-68 nThe pattern can be arranged in a pattern (e.g., (1) an arranged grid, (2) staggered rows and columns, or (3) a random pattern), the pattern not extending across the forefoot region 16 and heel region 20 of the sole structure 14, or not extending between the inner side 22 and outer side 24 of the footwear article 10. Despite the plurality of channels 681-68 n It can be extended across substantially most or all of the length (L) of the sole structure 14 as described above. 14 The multiple channels 681-68 n A pattern arrangement (e.g., (1) an arranged grid, (2) staggered rows and columns, or (3) a random pattern) may be used, the pattern extending across: (1) some or all of the heel region 20 of the sole structure 14, but not the forefoot region 16 or midfoot region 18 of the sole structure 14; (2) some or all of the forefoot region 16 of the sole structure 14, but not the midfoot region 18 or heel region 20 of the sole structure 14; (3) some or all of the forefoot region 16 and heel region 20 of the sole structure 14, but not the midfoot region 18 of the sole structure 14; or (4) as... Figure 5 As shown, some or all of the midfoot region 18, but not the forefoot region 16 and the heel region 20.

[0106] Continue to refer to Figure 4 and 5 The multiple channels 681-68 n Each channel is shown as being composed of any size or diameter (D) 68 The shape is generally circular or oval. In some examples, the size or diameter (D) is defined. 68 It can be roughly equal to about 0.5 mm or about 3.0 mm. In some cases, the size or diameter (D) is... 68 The diameter can be from approximately 0.5 mm to approximately 3.0 mm. Furthermore, the plurality of channels 681-68 n Each channel is defined by a generally similar size or diameter (D). 68 Although the multiple channels 681-68 n Each channel may be defined by a size or diameter (D) of approximately the same size or shape. 68 An embodiment of at least one strip 521-523 of the one or more material strips 52 may include the plurality of channels 681-68. n At least one channel having a different size or shape and a diameter (D) 68 For example, the multiple channels 681-68 n At least one channel may have the same number of channels 681-68 as those in the heel region 20, forefoot region 16, midfoot region 18, or forefoot region 16 and heel region 20 of the sole structure 14.n Another channel of different size or shape, or diameter (D) 68 ).

[0107] refer to Figure 2 The top surface 38 of the first midsole portion 36 may further define at least one second midsole contact area 70 and at least one material strip contact area 72. The bottom surface 48 of the second midsole portion 44 may further define at least one first midsole contact area 74 and at least one material strip contact area 76.

[0108] Each of the at least one second midsole contact area 70 of the first midsole portion 36 and the at least one first midsole contact area 74 of the second midsole portion 44 may define a size or shape that substantially corresponds to the size or shape of the at least one channel 68 of the at least one band 521-523 of the one or more material bands 52. If the at least one channel 68 of the at least one band 521-523 of the one or more material bands 52 defines a plurality of channels 681-68... n Each of the at least one second midsole contact area 70 of the first midsole portion 36 and the at least one first midsole contact area 74 of the second midsole portion 44 may define a corresponding plurality of second midsole contact areas 701-70. n and multiple first midsole contact areas 741-74 n In addition, the multiple channels 681-68 n Each channel and contact area can correspondingly correspond to the plurality of second midsole contact areas 701-70 n One and the plurality of first midsole contact areas 741-74 n Aligned along one axis.

[0109] In one example, when the footwear article 10 is formed, the surfaces of each material strip 521-523 of the one or more material strips 52, the first midsole portion 36, the second midsole portion 44, and the outsole 26 may be arranged to be near each other, close to each other, spaced apart from each other, or adjacent to each other. For example, the at least one material strip contact area 72 of the top surface 38 of the first midsole portion 36 may be arranged adjacent to the bottom surface 56 of each material strip 521-523 of the one or more material strips 52, and the at least one material strip contact area 76 of the bottom surface 48 of the second midsole portion 44 may be arranged adjacent to the top surface 54 of each material strip 521-523 of the one or more material strips 52.

[0110] Once each of the one or more material strips 521-523 is arranged relative to the first midsole portion 36 and the second midsole portion 44, as described above, each of the one or more material strips 521-523 may be referred to as being arranged between the first midsole portion 36 and the second midsole portion 44. Although each material strip 521-523 of the one or more material strips 52 may be arranged between the first midsole portion 36 and the second midsole portion 44, as a result of one or a combination of the following: (1) the longitudinal spacing between each material strip 521-523 of the one or more material strips 52, and (2) the formation of the at least one channel 68 of at least one strip 521-523 of the one or more material strips 52, one or more portions of the first midsole portion 36 may be in direct contact with one or more portions of the second midsole portion 44, such that: (A) portions of the top surface 38 of the first midsole portion 36 and the bottom surface 48 of the second midsole portion 44 that are not separated by the one or more material strips 52 may contact each other, and (B) at least one second midsole contact area 70 of the top surface 38 of the first midsole portion 36 may be arranged adjacent to the at least one first midsole contact area 74 of the bottom surface 48 of the second midsole portion 44. After the first midsole portion 36 is arranged adjacent to the second midsole portion 44 relative to each of the one or more material strips 521-523, as described above, the midsole 28 defined by the first midsole portion 36, the second midsole portion 44, and each of the one or more material strips 521-523 can be arranged in the mold tool 92 (see, for example, see...). Figure 10-11 ), used to directly bond the first midsole portion 36 to the second midsole portion 44.

[0111] Mold tool 92 includes upper mold half 92 U and lower mold half 92 L Upper mold half 92 U and lower mold half 92 L Each definable mold surface is used to bond the first midsole portion 36 to the second midsole portion 44 under heat and pressure.

[0112] like Figure 10 As shown, the mold tool 92 makes the upper mold half 92 U and lower mold half 92 L The materials are spaced apart and in an open configuration, such that the first midsole portion 36, the second midsole portion 44, and each of the one or more material strips 521-523 are arranged therebetween. Then, as... Figure 11As shown, after the mold tool 92 has been positioned in the closed configuration for a period of time, with the first midsole portion 36 joined to the second midsole portion 44 and each of the one or more material strips 521-523 of the material strips 52 fixed therebetween, the mold tool 92 can be returned to the open configuration.

[0113] Subsequently, the midsole contact surface 30 of the outsole 26 may be arranged adjacent to the bottom surface 40 of the first midsole portion 36 for attaching the outsole 26 to the first midsole portion 36. In one example, the outsole 26 may be attached to the first midsole portion 36 by an adhesive or by a molding tool in a manner substantially similar to that described above.

[0114] refer to Figure 8 Or 9, if the width (W) of each material strip 521-523 of the one or more material strips 52 52-1 W 52-2 W 52-3 The dimensions are selectively set such that the inner sidewall surface portion 58 of each of the one or more material strips 521-523 is... M and the outer sidewall surface portion 58 L Each of the inner sidewall surface portions 42 extending beyond the first midsole portion 36 and the second midsole portion 44 M 50 M and the outer sidewall surface portion 42 L 50 L Each width (W) of each material strip 521-523 of the one or more material strips 52 52-1 ), (W 52-2 ), (W 52-3 The first part (W) 52-P1 ) and each width (W) of each of the one or more material strips 521-523 52-1 ), (W 52-2 ), (W 52-3 The second part (not shown) may be folded or extended upwards adjacent to or along the following: such as Figure 8 and 9 As shown, (1) the inner sidewall surface portion 42 of each of the first midsole portion 36 and the second midsole portion 44 M 50 M and the outer sidewall surface portion 42 L 50 L , and in such Figure 9 But not Figure 8 In the alternative embodiment shown, (2) at least a portion of the inner and outer sides of the upper 12.

[0115] While the die-cutting tool 92 can be used to join the first midsole portion 36 to the second midsole portion 44 under heat and pressure, in some configurations an optional adhesive (not shown) may also be used, or alternatively, to bond the first midsole portion 36 to the second midsole portion 44. In some cases, the optional adhesive may be in the form of a sheet. In other examples, the optional adhesive may conform to any desired shape, pattern, or configuration, such as, for example, the shape, pattern, or configuration of, at least one channel 68 of the at least one band 521-523 of the one or more material bands 52.

[0116] In one example, a first optional adhesive may be disposed between the first midsole portion 36 and the second midsole portion 44; furthermore, the first optional adhesive may be disposed between the top surface 38 of the first midsole portion 36 and the bottom surface 56 of each of the one or more material strips 521-523, such that the first optional adhesive is axially aligned with at least a portion of the shape, pattern, or construction of at least one channel 68 of each of the one or more material strips 521-523 and extends radially across it. The first optional adhesive adhesive adhesively bonds the first midsole portion 36, the second midsole portion 44, and each of the one or more material strips 521-523 together.

[0117] In another example, a second optional adhesive may be disposed between the first midsole portion 36 and the second midsole portion 44; furthermore, the second optional adhesive may be disposed between the top surface 54 of each material strip 521-523 of the one or more material strips 52 and the bottom surface 48 of the second midsole portion 44, such that the second optional adhesive is axially aligned with at least a portion of the shape, pattern, or construction of at least one channel 68 of each material strip 521-523 of the one or more material strips 52 and extends radially across it. The second optional adhesive adhesive adhesively bonds the first midsole portion 36, the second midsole portion 44, and each material strip 521-523 of the one or more material strips 52 together.

[0118] In another example, a first optional adhesive and a second optional adhesive may be disposed between a first midsole portion 36 and a second midsole portion 44. The first optional adhesive may be disposed between the top surface 38 of the first midsole portion 36 and the bottom surface 56 of each of the one or more material strips 521-523, such that the first optional adhesive is axially aligned with at least a portion of the shape, pattern, or construction of at least one channel 68 of each of the one or more material strips 521-523 and extends radially across it. The second optional adhesive may be disposed between the top surface 54 of each of the one or more material strips 521-523 and the bottom surface 48 of the second midsole portion 44, such that the second optional adhesive is axially aligned with at least a portion of the shape, pattern, or construction of at least one channel 68 of each of the one or more material strips 521-523 and extends radially across it. A first optional adhesive and a second optional adhesive adhesive adhesively bond the first midsole portion 36, the second midsole portion 44 and each of the one or more material strips 521-523 together.

[0119] refer to Figure 12 An example footwear article 10a is provided, including an upper 12a and a sole structure 14a attached to the upper 12a. The sole structure 10a may be divided into one or more regions. The regions may include a forefoot portion 16a, a midfoot portion 18a, and a heel portion 20a. The forefoot portion 16a may correspond to the joints connecting the metatarsals and phalanges of the foot and the toes. The midfoot portion 18a may correspond to the arch region of the foot, while the heel portion 18a may correspond to the rear portion of the foot, including the calcaneus. The footwear article 10a may additionally include medial sides 22a and lateral sides 24a, which correspond to opposite sides of the footwear article 10a and extend through regions 16a, 18a, and 20a.

[0120] The sole construction 14a may optionally include an outsole 26a. (Reference) Figure 12 and 13 The sole structure 14a may include a midsole 28a. A cushioning structure (not shown) may optionally be arranged generally between the outsole 26a and the midsole 28a.

[0121] refer to Figure 13 The outsole 26a includes a midsole contact surface 30a and a ground contact surface 32a. The outsole 26a also includes a sidewall surface 34a extending between the midsole contact surface 30a and the ground contact surface 32a.

[0122] For example, Figure 13As shown, the midsole 28a includes a first midsole portion 36a and a second midsole portion 44a. The first midsole portion 36a includes a top surface 38a, a bottom surface 40a, and a sidewall surface 42a extending between the top surface 38a and the bottom surface 40a. The sidewall surface 42a may define the thickness (T) of the first midsole portion 36a extending between the top surface 38a and the bottom surface 40a. 36a ).

[0123] The top surface 38a and bottom surface 40a of the first midsole portion 36a can substantially define the outer surface profile of the first midsole portion 36a. In one example, each of the top surface 38a and bottom surface 40a of the first midsole portion 36a can be substantially flat (e.g., planar). In this respect, each of the top surface 38a and bottom surface 40a can be uninterrupted by one or more recesses, channels, valleys or other similar features. Furthermore, in one example, the top surface 38a of the first midsole portion 36a can be substantially parallel to the bottom surface 40a of the first midsole portion 36a, thereby the thickness (T) of the first midsole portion 36a... 36a ) The length (L) spanning the sole structure 14a 14a They are largely the same, for example, in Figure 22 As shown in the image.

[0124] Continue to refer to Figure 13 The second midsole portion 44a includes a top surface 46a, a bottom surface 48a, and a sidewall surface 50a extending between the top surface 46a and the bottom surface 48a. The sidewall surface 50a may define the thickness (T) of the second midsole portion 44a extending between the top surface 46a and the bottom surface 48a. 44a ).

[0125] The top surface 46a and bottom surface 48a of the second midsole portion 44a can substantially define the outer surface profile of the second midsole portion 44a. In one example, each of the top surface 46a and bottom surface 48a of the second midsole portion 44a can be substantially flat (e.g., planar). In this respect, each of the top surface 46a and bottom surface 48a may not be interrupted by one or more recesses, channels, valleys or other similar features. Furthermore, in one example, the top surface 46a of the second midsole portion 44a can be substantially parallel to the bottom surface 48a of the second midsole portion 44a, thereby the thickness (T) of the second midsole portion 44a... 44a ) The length (L) spanning the sole structure 14a 14a They are largely the same, for example, in Figure 22 As shown in the image.

[0126] In some examples, at least one of the first midsole portion 36a and the second midsole portion 44a is formed of a foam material. In some cases, one or both of the first midsole portion 36a and the second midsole portion 44a are formed of a polymer material. In some examples, the first midsole portion 36a and the second midsole portion 44a are formed of the same material. In yet another example, the first midsole portion 36a and the second midsole portion 44a are formed of different materials. The first midsole portion 36a may be formed of a first material, and the second midsole portion 44a may be formed of a second material. The first material forming the first midsole portion 36a may have substantially the same stiffness as the second material forming the second midsole portion 44a. In some cases, the first material forming the first midsole portion 36a has a different stiffness than the second material forming the second midsole portion 44a. In other examples, the first material forming the first midsole portion 36a is the same as the second material forming the second midsole portion 44a. In yet another example, the first material forming the first midsole portion 36a is different from the second material forming the second midsole portion 44a.

[0127] like Figure 13-14 As shown, the footwear article 10a also includes one or more material strips 52a. In one example, the one or more material strips 52a may include three material strips 52a1-52a3.

[0128] refer to Figure 14 , 15 And 16, if the one or more material strips 52a include, for example, three material strips 52a1-52a3, in some cases, the one or more material strips 52a may be configured as follows: (1) the width (W) of the first material strip 52a1 52a-1 The width (W) of the forefoot area 16a spanning footwear item 10a 16a (2) The second material strip 52a extends from the inner side 22a of the footwear 10a to the outer side 24a. 52 Width (W) 52a-2 The width (W) of the midfoot area 18a spanning footwear 10a 18a (3) The width (W) of the third material strip 52a3 extending from the inner side 22a to the outer side 24a of the footwear 10a. 52a-1 The width (W) of the heel area 20a spanning 10a of the footwear item. 20a (Extending from the inside 22a to the outside 24a of the footwear item 10a.) Figure 14 , 15 As shown in Figure 16, the width (W) of each material strip 52a1-52a3 of the one or more material strips 52a is... 52a-1 ), (W 52a-2 ), (W 52a-3 Relative to the corresponding axis A 16a-A 16a A 18a -A 18a A 20a -A 20a Generally non-vertical θ 52a The extension corresponds to the length (L) relative to the length along the sole structure 14a. 14a Extended axis A 14a -A 14a The width (W) of the forefoot area 16a, midfoot area 18a, and heel area 20a of footwear item 10a 16a W 18a W 20a ).

[0129] Return to reference Figure 13 Each of the one or more material strips 52a1-52a3 includes a top surface 54a, a bottom surface 56a, and a sidewall surface 58a extending between the top surface 54a and the bottom surface 56a. The sidewall surface 58a may define the thickness (T) of each of the one or more material strips 52a1-52a3 extending between the top surface 54a and the bottom surface 56a. 52a ).

[0130] In one example, each of the one or more material strips 52a1-52a3 is formed of a flexible material. Each of the one or more material strips 52a1-52a3 may include woven fabric, woven textile (e.g., see...) Figure 13 Each material (with a magnified view of 52a) or knitted textiles (see, for example, see...) Figure 13 (Enlarged view of each material strip 52a). In some cases, each material strip 52a1-52a3 of the one or more material strips 52a is porous. Each material strip 52a1-52a3 of the one or more material strips 52a may be formed of a polymeric material, such as a thermoplastic polymeric material. Exemplary thermoplastic polymeric materials may include, for example, thermosetting polymeric materials. In some cases, each material strip 52a1-52a3 of the one or more material strips 52a may be a thermoformable material. In some examples, if each material strip 52a is a woven or knitted structure (e.g., in... Figure 13 (As can be seen in the magnified view), woven or knitted structures can be formed from polymer yarns. Furthermore, in some examples, if each material strip 52a is a woven or knitted structure (e.g., in...), Figure 13(As can be seen in the enlarged view), each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52a may, for example, be at least 0.5 mm in length at its maximum dimension, or at least 1.0 mm in length at its maximum dimension. Furthermore, each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52a may allow one or both of the first midsole portion 36a and the second midsole portion 44a to be in direct contact with each other. In other embodiments, one or both of the first midsole portion 36a and the second midsole portion 44a may be injection molded around or through each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52a.

[0131] In some cases, each of the one or more material strips 52a1-52a3 is embroidered fabric. In some examples, each of the one or more material strips 52a1-52a3 has one or more first regions and one or more second regions, the first regions including embroidery, and the second regions having no embroidery or having a smaller percentage of embroidered surface area compared to the first regions. The embroidery may provide reduced stretch or "locking" features to the regions of each of the one or more material strips 52a1-52a3. Each of the one or more material strips 52a1-52a3 provides reduced stretch mass and may be positioned, for example, in the region of each of the one or more material strips 52a1-52a3 disposed between the first midsole portion 36a and the second midsole portion 44a, or alternatively, in the region extending beyond the sidewall surface 58a of each of the one or more material strips 52a1-52a3.

[0132] refer to Figure 13 The first midsole portion 36a is positioned between the outsole 26a and the upper 12a. When... Figure 12 When the sole structure 14a is attached to the upper 12a, the second midsole portion 44a is positioned between the first midsole portion 36a and the upper 12a. Figure 13 and 22 As shown, each of the one or more material strips 52a1-52a3 is arranged between the first midsole 36a and the second midsole portion 44a. The bottom surface 56a of each of the one or more material strips 52a1-52a3 extends across the top surface 38a of the first midsole portion 36a. The top surface 54a of each of the one or more material strips 52a1-52a3 extends across the bottom surface 48a of the second midsole portion 44a.

[0133] like Figure 13As shown, the sidewall surface 58a of each of the one or more material strips 52a1-52a3 can further pass through the inner sidewall surface portion 58a. M and the outer sidewall surface portion 58a L Limitation. The width (W) of each material strip 52a1-52a3 of the one or more material strips 52a. 52a-1 W 52a-2 W 52a-3 The inner sidewall surface portion 58a of each of the one or more material strips 52a1-52a3 M and the outer sidewall surface portion 58a L Extending between them. Furthermore, the sidewalls 42a, 50a of each of the first midsole portion 36a and the second midsole portion 44a can further extend through the inner sidewall surface portion 42a. M 50a M and the outer sidewall surface portion 42a L 50a L The width (W) of each of the first midsole portion 36a and the second midsole portion 44a is defined accordingly. 36a W 44a The width (W) of each of the first midsole portion 36a and the second midsole portion 44a 36a W 44a The width (W) of the forefoot region 16a, midfoot region 18a, and heel region 20a of the sole structure 14a of footwear article 10a varies accordingly, and for example, defines the width of the forefoot region 16a, midfoot region 18a, and heel region 20a of the sole structure 14a. 16a W 18a W 20a ).

[0134] refer to Figure 13 and Figure 17 , 18 19, 20, the inner sidewall surface portion 58a of each of the one or more material strips 52a1-52a3 M and the outer sidewall surface portion 58a L The width of the extension between (W) 52a-1 W 52a-2 W 52a-3 The width (W) relative to the first midsole portion 36a and the second midsole portion 44a 36a W 44a ) Selectively set the size. For example... Figure 13 , 14 As shown in Figure 17, the width (W) of each material strip 52a1-52a3 of the one or more material strips 52a is... 52a-1 W 52a-2 W 52a-3The dimensions are selectively set such that the inner sidewall surface portion 58a of each of the one or more material strips 52a1-52a3 is... M and the outer sidewall surface portion 58a L Each of the inner sidewall surface portions 42a corresponding to each of the first midsole portion 36a and the second midsole portion 44a M 50a M and the outer sidewall surface portion 42a L 50a L Alignment. This refers to the corresponding inner sidewall surface portion 42a described above. M 50a M 58a M and the outer sidewall surface portion 42a L 50a L 58a L As a result of the alignment, when observing the inner side 22a or outer side 24a of the sole structure 14a, the inner sidewall surface portion 58a of each material band 52a1-52a3 of the one or more material bands 52a M or the outer sidewall surface portion 58a L It is visible.

[0135] In such Figure 18 In another example shown, the width (W) of each material strip 52a1-52a3 of the one or more material strips 52a is... 52a-1 W 52a-2 W 52a-3 The dimensions are selectively set such that the inner sidewall surface portion 58a of each of the one or more material strips 52a1-52a3 is... M and the outer sidewall surface portion 58a L Each of the inner sidewall surface portions 42a of the first midsole portion 36a and the second midsole portion 44a is not connected to the inner sidewall surface portion 42a of the second midsole portion 36a. M 50a M and the outer sidewall surface portion 42a L 50a L Aligned and not extending beyond it. This is the corresponding inner sidewall surface portion 42a described above. M 50a M 58a M and the outer sidewall surface portion 42a L 50a L 58a L As a result of misalignment, when observing the inner side 22a or outer side 24a of the sole structure 14a, the inner sidewall surface portion 58a of each material band 52a1-52a3 of the one or more material bands 52a... Mor the outer sidewall surface portion 58a L It is invisible.

[0136] In such Figure 19 In another example shown, the width (W) of each material strip 52a1-52a3 of the one or more material strips 52a 52a-1 W 52a-2 W 52a-3 The dimensions are selectively set such that the inner sidewall surface portion 58a of each of the one or more material strips 52a1-52a3 is... M and the outer sidewall surface portion 58a L Each of the inner sidewall surface portions 42a extending beyond the first midsole portion 36a and the second midsole portion 44a M 50a M and the outer sidewall surface portion 42a L 50a L Therefore, from the inner sidewall surface portion 58a of each of the one or more material strips 52a1-52a3 of the material strips 52a. M Each width (W) of each of the one or more extended material strips 52a1-52a3 52a-1 ), (W 52a-2 ), (W 52a-3 The first part (W) 52a-P1 ) and the outer sidewall surface portion 58a of each of the one or more material strips 52a1-52a3. L Each width (W) of each of the one or more extended material strips 52a1-52a3 52a-1 ), (W 52a-2 ), (W 52a-3 The second part (not shown) may correspondingly be, for example, along the inner sidewall surface portion 42a of each of the first midsole portion 36a and the second midsole portion 44a. M 50a M and the outer sidewall surface portion 42a L 50a L Extend and arrange them adjacent to it. However, as Figure 19 As shown, each width (W) of each material strip 52a1-52a3 of the one or more material strips 52a 52a-1 ), (W 52a-2 ), (W 52a-3 The first part (W) 52a-P1 ) and each width (W) of each material strip 52a1-52a3 of the one or more material strips 52a. 52a-1 ), (W 52a-2 ), (W52a-3 The second part (not shown) does not extend correspondingly along the upper 12a of the footwear article 10a, nor is it arranged correspondingly adjacent to it. Therefore, when observing the inner 22a or outer 24a of the sole structure 14a, each width (W) of each material strip 52a1-52a3 of the one or more material strips 52a is... 52a-1 ), (W 52a-2 ), (W 52a-3 The first part (W) 52a-P1 ) and each width (W) of each material strip 52a1-52a3 of the one or more material strips 52a. 52a-1 ), (W 52a-2 ), (W 52a-3 The second part (not shown) is visible.

[0137] In such Figure 20 In another example shown, the width (W) of each material strip 52a1-52a3 of the one or more material strips 52a is... 52a-1 W 52a-2 W 52a-3 The dimensions are selectively set such that the inner sidewall surface portion 58a of each of the one or more material strips 52a1-52a3 is... M and the outer sidewall surface portion 58a L Each of the inner sidewall surface portions 42a extending beyond the first midsole portion 36a and the second midsole portion 44a M 50a M and the outer sidewall surface portion 42a L 50a L Therefore, each width (W) of each material strip 52a1-52a3 of the one or more material strips 52a, extending from the inner sidewall surface portion 58aM of each material strip 52a1-52a3, is... 52a-1 ), (W 52a-2 ), (W 52a-3 The first part (W) 52a-P1 ) and the outer sidewall surface portion 58a of each of the one or more material strips 52a1-52a3. L Each width (W) of each of the one or more extended material strips 52a1-52a3 52a-1 ), (W 52a-2 ), (W 52a-3 The second part (not shown) may correspondingly extend and be arranged adjacent to: (1) the inner sidewall surface portion 42a of each of the first midsole portion 36a and the second midsole portion 44a. M 50aM and the outer sidewall surface portion 42a L 50a L (2) At least a portion of the inner and outer sides of the upper 12a. Therefore, when observing the inner side 22a or the outer side 24a of the sole structure 14a, each width (W) of each material strip 52a1-52a3 of the one or more material strips 52a is considered. 52a-1 ), (W 52a-2 ), (W 52a-3 The first part (W) 52a-P1 ) and each width (W) of each material strip 52a1-52a3 of the one or more material strips 52a. 52a-1 ), (W 52a-2 ), (W 52a-3 The second part (not shown) is visible.

[0138] refer to Figure 15 and 16 At least one band 52a1-52a3 of the one or more material bands 52a (see, for example) Figure 15 With 52a1-52a3 or Figure 16 One or more regions of a material strip 52a2 may further define at least one channel or hole 68a of at least one strip 52a1-52a3 of the one or more material strips 52a, or the absence thereof. The at least one channel 68a extends through the thickness (T) of the at least one strip 52a1-52a3 of the one or more material strips 52a between the top surface 54a and the bottom surface 56a. 52a If the polymer material defines one or both of the first midsole portion 36a and the second midsole portion 44a, the polymer material may be molded around any surface defining at least one band 52a1-52a3 of the one or more material bands 52a and / or through the thickness (T) of the at least one band 52a1-52a3 extending through the one or more material bands 52a. 52a At least one channel 68a is molded.

[0139] The at least one channel 68a may include multiple channels or holes 68a1-68a. n For example, the at least one channel 68a may include a first channel 68a1 and a last channel 68a. n and one or more intermediate channels 68a2-68a n-1 In one example, such as Figure 15 As shown, the multiple channels 68a1-68a n The plurality of channels or holes 68a1-68a can be arranged in any desired pattern (e.g., (1) an arranged grid, (2) staggered rows and columns, or (3) a random pattern).n Arranged between the forefoot region 16a and the heel region 20a of the sole structure 14a (i.e., spanning substantially most or all of the length of the sole structure 14). 14a )) and between the inner side 22a and the outer side 24a of the footwear 10a (i.e., across the width (W) of the sole structure 14) 14a In other embodiments, the plurality of channels 68a1-68a n The pattern can be arranged in a pattern (e.g., (1) an arranged grid, (2) staggered rows and columns, or (3) a random pattern), the pattern not extending across the forefoot region 16a and heel region 20a of the sole structure 14a or between the inner side 22a and outer side 24a of the footwear article 10a. Despite the plurality of channels 68a1-68a n It can be extended across substantially most or all of the length (L) of the sole structure 14a as described above. 14a The multiple channels 68a1-68a n A pattern arrangement (e.g., (1) an arranged grid, (2) staggered rows and columns, or (3) a random pattern) may be used, the pattern extending across: (1) some or all of the heel region 20a of the sole structure 14a, but not the forefoot region 16a or midfoot region 18a of the sole structure 14a; (2) some or all of the forefoot region 16a of the sole structure 14a, but not the midfoot region 18a or heel region 20a of the sole structure 14a; (3) some or all of the forefoot region 16a and heel region 20a of the sole structure 14a, but not the midfoot region 18a of the sole structure 14a; or (4) as... Figure 16 As shown, some or all of the midfoot region 18a is used instead of the forefoot region 16a and the heel region 20a.

[0140] Continue to refer to Figure 15 and 16 The multiple channels 68a1-68a n Each channel is shown as being composed of any size or diameter (D) 68a The shape is generally circular or oval. In some examples, the size or diameter (D) is defined. 68a It can be roughly equal to about 0.5 mm or about 3.0 mm. In some cases, the size or diameter (D) is... 68a The diameter can be from approximately 0.5 mm to approximately 3.0 mm. Furthermore, the plurality of channels 68a1-68a... n Each channel may be defined with a generally similar size or diameter (D). 68a Although the multiple channels 68a1-68a n Each channel may be defined by a size or diameter (D) of approximately the same size or shape. 68aThe embodiment of at least one band 52a1-52a3 of the one or more material bands 52a may include the plurality of channels 68a1-68a. n At least one channel having a different size or shape and a diameter (D) 68a For example, the plurality of channels 68a1-68a n At least one channel may have said plurality of channels 68a1-68a in the heel region 20a, forefoot region 16a, midfoot region 18a, or forefoot region 16a and heel region 20a of sole structure 14a. n Another channel of different size or shape, or diameter (D) 68a ).

[0141] refer to Figure 13 The top surface 38a of the first midsole portion 36a may further define at least one second midsole contact area 70a and at least one material strip contact area 72a. The bottom surface 48a of the second midsole portion 44a may further define at least one first midsole contact area 74a and at least one material strip contact area 76a.

[0142] Each of the at least one second midsole contact area 70a of the first midsole portion 36a and the at least one first midsole contact area 74a of the second midsole portion 44a may define a size or shape that substantially corresponds to the size or shape of the at least one channel 68a of the at least one band 52a1-52a3 of the one or more material bands 52a. If the at least one channel 68a of the at least one band 52a1-52a3 of the one or more material bands 52a defines a plurality of channels 68a1-68a. n Each of the at least one second midsole contact area 70a of the first midsole portion 36a and the at least one first midsole contact area 74a of the second midsole portion 44a may define a corresponding plurality of second midsole contact areas 70a1-70a. n and multiple first midsole contact areas 74a1-74a n Furthermore, the multiple channels 68a1-68a n Each channel and contact area can correspondingly correspond to the plurality of second midsole contact areas 70a1-70a. n One and the plurality of first midsole contact areas 74a1-74a n Aligned along one axis.

[0143] In one example, when footwear 10a is formed, the surfaces of each material strip 52a1-52a3 of the one or more material strips 52a, the first midsole portion 36a, the second midsole portion 44a, and the outsole 26a may be arranged to be near, close to, spaced apart from, or adjacent to each other. For example, the at least one material strip contact area 72a of the top surface 38a of the first midsole portion 36a may be arranged adjacent to the bottom surface 56a of each material strip 52a1-52a3 of the one or more material strips 52a, and the at least one material strip contact area 76a of the bottom surface 48a of the second midsole portion 44a may be arranged adjacent to the top surface 54a of each material strip 52a1-52a3 of the one or more material strips 52a.

[0144] Once each of the one or more material strips 52a1-52a3 is arranged relative to the first midsole portion 36a and the second midsole portion 44a, as described above, each of the one or more material strips 52a1-52a3 may be referred to as being arranged between the first midsole portion 36a and the second midsole portion 44a. Although each of the one or more material strips 52a1-52a3 may be arranged between the first midsole portion 36a and the second midsole portion 44a, as a result of one or a combination of the following: (1) the longitudinal spacing between each of the one or more material strips 52a1-52a3 of the one or more material strips 52a, and (2) the formation of the at least one channel 68a of the at least one strip 52a1-52a3 of the one or more material strips 52a, one or more portions of the first midsole portion 36a may be in direct contact with one or more portions of the second midsole portion 44a, such that: (A) portions of the top surface 38a of the first midsole portion 36a and the bottom surface 48a of the second midsole portion 44a that are not separated by the one or more material strips 52a may contact each other, and (B) at least one second midsole contact area 70a of the top surface 38a of the first midsole portion 36a may be arranged adjacent to the at least one first midsole contact area 74a of the bottom surface 48a of the second midsole portion 44a. After the first midsole portion 36a is arranged adjacent to the second midsole portion 44a relative to each of the one or more material strips 52a1-52a3 as described above, the midsole 28a defined by the first midsole portion 36a, the second midsole portion 44a, and each of the one or more material strips 52a1-52a3 can be arranged in the mold tool 92a (see, for example, see...). Figure 21-22 ), used to directly bond the first midsole portion 36a to the second midsole portion 44a.

[0145] Mold tool 92a includes upper mold half 92a U and lower mold half 92a LUpper mold half 92a U and lower mold half 92a L Each definable mold surface is used to bond the first midsole portion 36a to the second midsole portion 44a under heat and pressure.

[0146] like Figure 21 As shown, the mold tool 92a makes the upper mold half 92a U and lower mold half 92a L The materials are spaced apart and in an open configuration, such that the first midsole portion 36a, the second midsole portion 44a, and each of the one or more material strips 52a1-52a3 are arranged therebetween. Then, as... Figure 22 As shown, after the mold tool 92a is arranged in the closed configuration for a period of time, with the first midsole portion 36a joined to the second midsole portion 44a and each of the one or more material strips 52a1-52a3 of the material strips 52a fixed therebetween, the mold tool 92a can be returned to the open configuration.

[0147] After that, the midsole contact surface 30a of the outsole 26a may be arranged adjacent to the bottom surface 40a of the first midsole portion 36a for attaching the outsole 26a to the first midsole portion 36a. In one example, the outsole 26a may be attached to the first midsole portion 36a by an adhesive or by a molding tool in a manner generally similar to that described above.

[0148] refer to Figure 19 Or 20, the width (W) of each material strip 52a1-52a3 of the one or more material strips 52a. 52a-1 W 52a-2 W 52a-3 The dimensions are selectively set such that the inner sidewall surface portion 58a of each of the one or more material strips 52a1-52a3 is... M and the outer sidewall surface portion 58a L Each of the inner sidewall surface portions 42a extending beyond the first midsole portion 36a and the second midsole portion 44a M 50a M and the outer sidewall surface portion 42a L 50a L Each width (W) of each material strip 52a1-52a3 of the one or more material strips 52a 52a-1 ), (W 52a-2 ), (W 52a-3 The first part (W) 52a-P1 ) and each width (W) of each material strip 52a1-52a3 of the one or more material strips 52a. 52a-1 ), (W52a-2 ), (W 52a-3 The second part (not shown) may be folded or extended upwards adjacent to or along the following: such as Figure 19 and 20 As shown, (1) the inner sidewall surface portion 42a of each of the first midsole portion 36a and the second midsole portion 44a M 50a M and the outer sidewall surface portion 42a L 50a L , and in such Figure 20 But not Figure 19 In the alternative embodiment shown, (2) at least a portion of the inner and outer sides of the upper 12a.

[0149] While the die tool 92a can be used to join the first midsole portion 36a to the second midsole portion 44a under heat and pressure, in some configurations an optional adhesive (not shown) may also be used, or alternatively, to bond the first midsole portion 36a to the second midsole portion 44a. In some cases, the optional adhesive may be in the form of a sheet. In other examples, the optional adhesive may conform to any desired shape, pattern, or configuration, such as, for example, the shape, pattern, or configuration of, at least one channel 68a of the one or more material strips 52a with strips 52a1-52a3.

[0150] In one example, a first optional adhesive may be disposed between a first midsole portion 36a and a second midsole portion 44a; furthermore, the first optional adhesive may be disposed between the top surface 38a of the first midsole portion 36a and the bottom surface 56a of each of the one or more material strips 52a1-52a3, such that the first optional adhesive is axially aligned with at least a portion of the shape, pattern, or construction of at least one channel 68a of each of the one or more material strips 52a1-52a3 and extends radially across it. The first optional adhesive adhesive adhesively bonds the first midsole portion 36a, the second midsole portion 44a, and each of the one or more material strips 52a1-52a3 together.

[0151] In another example, a second optional adhesive may be disposed between the first midsole portion 36a and the second midsole portion 44a; furthermore, the second optional adhesive may be disposed between the top surface 54a of each material strip 52a1-52a3 of the one or more material strips 52a and the bottom surface 48a of the second midsole portion 44a, such that the second optional adhesive is axially aligned with at least a portion of the shape, pattern, or construction of at least one channel 68a of each material strip 52a1-52a3 of the one or more material strips 52a. The second optional adhesive adhesive adhesively bonds the first midsole portion 36a, the second midsole portion 44a, and each material strip 52a1-52a3 of the one or more material strips 52a.

[0152] In another example, a first optional adhesive and a second optional adhesive may be disposed between a first midsole portion 36a and a second midsole portion 44a. The first optional adhesive may be disposed between the top surface 38a of the first midsole portion 36a and the bottom surface 56a of each of the one or more material strips 52a1-52a3, such that the first optional adhesive is axially aligned with at least a portion of the shape, pattern, or construction of at least one channel 68a of each of the one or more material strips 52a1-52a3 and extends radially across it. The second optional adhesive may be disposed between the top surface 54a of each of the one or more material strips 52a1-52a3 and the bottom surface 48a of the second midsole portion 44a, such that the second optional adhesive is axially aligned with at least a portion of the shape, pattern, or construction of at least one channel 68a of each of the one or more material strips 52a1-52a3 and extends radially across it. A first optional adhesive and a second optional adhesive adhesive adhesively bond together the first midsole portion 36a, the second midsole portion 44a, and each of the material strips 52a1-52a3 of the one or more material strips 52a.

[0153] refer to Figure 23-27 An example footwear article 10b is provided, including an upper 12b and a sole structure 14b attached to the upper 12b. The sole structure 10b may be divided into one or more regions. The regions may include a forefoot portion 16b, a midfoot portion 18b, and a heel portion 20b. The forefoot portion 16b may correspond to the joints connecting the metatarsals and phalanges of the foot and the toes. The midfoot portion 18b may correspond to the arch region of the foot, while the heel portion 18b may correspond to the rear portion of the foot, including the calcaneus. The footwear article 10b may additionally include medial sides 22b and lateral sides 24b, which correspond to opposite sides of the footwear article 10b and extend through regions 16b, 18b, and 20b.

[0154] The sole construction 14b optionally includes an outsole 26b. (Reference) Figure 23 and 24 The sole structure 14b may include a midsole 28b. A cushioning structure (not shown) may optionally be arranged generally between the outsole 26b and the midsole 28b.

[0155] refer to Figure 24 The outsole 26b includes a midsole contact surface 30b and a ground contact surface 32b. The outsole 26b also includes a sidewall surface 34b extending between the midsole contact surface 30b and the ground contact surface 32b.

[0156] For example, Figure 24 As shown, the midsole 28b includes a first midsole portion 36b and a second midsole portion 44b. The first midsole portion 36b includes a top surface 38b, a bottom surface 40b, and a sidewall surface 42b extending between the top surface 38b and the bottom surface 40b. The sidewall surface 42b may define the thickness (T) of the first midsole portion 36b extending between the top surface 38b and the bottom surface 40b. 36b ).

[0157] The top surface 38b and bottom surface 40b of the first midsole portion 36b can substantially define the outer surface profile of the first midsole portion 36b. In one example, each of the top surface 38b and bottom surface 40b of the first midsole portion 36b can be substantially flat (e.g., planar). In this respect, each of the top surface 38b and bottom surface 40b can be uninterrupted by one or more recesses, channels, valleys, or other similar features. Furthermore, in one example, the top surface 38b of the first midsole portion 36b can be substantially parallel to the bottom surface 40b of the first midsole portion 36b, thereby the thickness (T) of the first midsole portion 36b... 36b The length (L) spanning the 14b of the sole structure 14b They are largely the same, for example, in Figure 33 As shown in the image.

[0158] Continue to refer to Figure 24 The second midsole portion 44b includes a top surface 46b, a bottom surface 48b, and a sidewall surface 50b extending between the top surface 46b and the bottom surface 48b. The sidewall surface 50b may define the thickness (T) of the second midsole portion 44b extending between the top surface 46b and the bottom surface 48b. 44b ).

[0159] The top surface 46b and bottom surface 48b of the second midsole portion 44b can substantially define the outer surface profile of the second midsole portion 44b. In one example, each of the top surface 46b and bottom surface 48b of the second midsole portion 44b can be substantially flat (e.g., planar). In this respect, each of the top surface 46b and bottom surface 48b can be uninterrupted by one or more recesses, channels, valleys, or other similar features. Furthermore, in one example, the top surface 46b of the second midsole portion 44b can be substantially parallel to the bottom surface 48b of the second midsole portion 44b, thereby the thickness (T) of the second midsole portion 44b... 44b The length (L) spanning the 14b of the sole structure 14b They are largely the same, for example, in Figure 33 As shown in the image.

[0160] In some examples, at least one of the first midsole portion 36b and the second midsole portion 44b is formed of a foam material. In some cases, one or both of the first midsole portion 36b and the second midsole portion 44b are formed of a polymer material. In some examples, the first midsole portion 36b and the second midsole portion 44b are formed of the same material. In yet another example, the first midsole portion 36b and the second midsole portion 44b are formed of different materials. The first midsole portion 36b may be formed of a first material, and the second midsole portion 44b may be formed of a second material. The first material forming the first midsole portion 36b may have substantially the same stiffness as the second material forming the second midsole portion 44b. In some cases, the first material forming the first midsole portion 36b has a different stiffness than the second material forming the second midsole portion 44b. In other examples, the first material forming the first midsole portion 36b is the same as the second material forming the second midsole portion 44b. In yet another example, the first material forming the first midsole portion 36b is different from the second material forming the second midsole portion 44b.

[0161] like Figure 24-25 As shown, the footwear article 10b also includes one or more material strips 52b. In one example, the one or more material strips 52b may include three material strips 52b1-52b3. In one example, the six material strips 52b1-52b6 may be grouped into three pairs of material strips, the pairs being defined by first and second material strips 52b1-52b2, third and fourth material strips 52b3-52b4, and fifth and sixth material strips 52b5-52b6. Figure 25As shown, each pair of material strips 52b1-52b6, 52b3-52b4, and 52b5-52b6 are defined to form a "cross" or overlapping pattern arrangement of an "X" structure. Although the "cross" or overlapping pattern forming the "X" structure is defined by two material strips, in another embodiment, the "cross" pattern forming the "X" structure may be formed by a single material unit, which is stamped, formed, cut, or otherwise shaped to define the "cross" pattern forming the "X" structure (i.e., the "cross" pattern forming the "X" structure may be defined by a single material unit, rather than two material strips).

[0162] refer to Figure 25 , 26 And 27, if the one or more material strips 52b include, for example, three material strips 52b1-52b3, in some cases, the one or more material strips 52b may be configured as follows: (1) the width (W) of the first material strip 52b1 and the second material strip 52b2 52b-1 The width (W) spanning the forefoot area 16b of footwear item 10b 16b (2) The width (W) of the third material strip 523 and the fourth material strip 52b4 extending from the inner side 22b to the outer side 24b of the footwear 10b. 52b-2 The width (W) of the midfoot area 18b spanning footwear 10b 18b (3) The width (W) of the fifth material strip 52b5 and the sixth material strip 52b6 extending from the inner side 22b to the outer side 24b of the footwear 10b. 52b-1 The width (W) spans 10b of the heel area of ​​the footwear, which is 20b wide. 20b (Extending from the inside 22b to the outside 24b of footwear item 10b.) Figure 25 , 26 As shown in Figure 27, the width (W) of each material strip 52b1-52b3 of the one or more material strips 52b 52b-1 ), (W 52b-2 ), (W 52b-3 Relative to the corresponding axis A 16b -A 16b A 18b -A 18b A 20b -A 20b Generally non-vertical θ 52b The extension corresponds to the length (L) relative to the length along the sole structure 14a. 14a Extended axis A 14a -A 14a The width (W) of the forefoot area 16a, midfoot area 18a, and heel area 20a of footwear item 10a 16a W 18a W20a ).

[0163] Return to reference Figure 24 Each of the one or more material strips 52b1-52b3 includes a top surface 54b, a bottom surface 56b, and a sidewall surface 58b extending between the top surface 54b and the bottom surface 56b. The sidewall surface 58b may define the thickness (T) of each of the one or more material strips 52b1-52b3 extending between the top surface 54b and the bottom surface 56b. 52b ).

[0164] In one example, each of the one or more material strips 52b1-52b3 is formed of a flexible material. Each of the one or more material strips 52b1-52b3 may include woven fabric, woven textile (e.g., see...) Figure 24 Each material (with a magnified view of 52b) or knitted textiles (see, for example, see...) Figure 24 (Enlarged view of each material strip 52b). In some cases, each material strip 52b1-52b3 of the one or more material strips 52b is porous. Each material strip 52b1-52b3 of the one or more material strips 52b may be formed of a polymeric material, such as a thermoplastic polymeric material. Exemplary thermoplastic polymeric materials may include, for example, thermosetting polymeric materials. In some cases, each material strip 52b1-52b3 of the one or more material strips 52b may be a thermoformable material. In some examples, if each material strip 52b is a woven or knitted structure (e.g., in... Figure 24 (As can be seen in the magnified view), woven or knitted structures can be formed from polymer yarns. Furthermore, in some examples, if each material strip 52b is a woven or knitted structure (e.g., in...), Figure 24 (As can be seen in the enlarged view), each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52b may, for example, be at least 0.5 mm in length at its maximum dimension, or at least 1.0 mm in length at its maximum dimension. Furthermore, each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52b may allow one or both of the first midsole portion 36b and the second midsole portion 44b to be in direct contact with each other. In other embodiments, one or both of the first midsole portion 36b and the second midsole portion 44b may be injection molded around or through each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52b.

[0165] In some cases, each of the one or more material strips 52b1-52b3 is embroidered fabric. In some examples, each of the one or more material strips 52b1-52b3 has one or more first regions and one or more second regions, the first region including embroidery, the second region having no embroidery or having a smaller percentage of embroidered surface area compared to the first region. The embroidery may provide reduced stretch or "locking" features to the regions of each of the one or more material strips 52b1-52b3. Each of the one or more material strips 52b1-52b3 provides reduced stretch mass and may be positioned, for example, in the region of each of the one or more material strips 52b1-52b3 disposed between the first midsole portion 36b and the second midsole portion 44b, or alternatively, in the region extending beyond the sidewall surface 58b of each of the one or more material strips 52b1-52b3.

[0166] refer to Figure 24 The first midsole portion 36b is positioned between the outsole 26b and the upper 12b. When... Figure 23 When the sole structure 14b shown is attached to the upper 12b, the second midsole portion 44b is positioned between the first midsole portion 36b and the upper 12b. For example... Figure 24 and 33 As shown, each of the one or more material strips 52b1-52b3 is arranged between the first midsole 36b and the second midsole portion 44b. The bottom surface 56b of each of the one or more material strips 52b1-52b3 extends across the top surface 38b of the first midsole portion 36b. The top surface 54b of each of the one or more material strips 52b1-52b3 extends across the bottom surface 48b of the second midsole portion 44b.

[0167] like Figure 24 As shown, the sidewall surface 58b of each material strip 52b1-52b3 of the one or more material strips 52b can further extend through the inner sidewall surface portion 58b. M and the outer sidewall surface portion 58b L Limitation. The width (W) of each material strip 52b1-52b3 of the one or more material strips 52b. 52b-1 W 52b-2 W 52b-3 The inner sidewall surface portion 58b of each of the one or more material strips 52b1-52b3 M and the outer sidewall surface portion 58b LExtending between them. Furthermore, the sidewalls 42b, 50b of each of the first midsole portion 36b and the second midsole portion 44b can further extend through the inner sidewall surface portion 42b. M 50b M and the outer sidewall surface portion 42b L 50b L The width (W) of each of the first midsole portion 36b and the second midsole portion 44b is defined accordingly. 36b W 44b The width (W) of each of the first midsole portion 36b and the second midsole portion 44b 36b W 44b The width (W) of the forefoot region 16b, midfoot region 18b, and heel region 20b of the sole structure 14b of the footwear article 10b varies accordingly, and for example, defines the width of the forefoot region 16b, midfoot region 18b, and heel region 20b of the sole structure 14b. 16b W 18b W 20b ).

[0168] refer to Figure 24 and Figure 28 , 29 30 and 31, the inner sidewall surface portion 58b of each of the one or more material strips 52b1-52b3. M and the outer sidewall surface portion 58b L The width of the extension between (W) 52b-1 W 52b-2 W 52b-3 The width (W) relative to the first midsole portion 36b and the second midsole portion 44b 36b W 44b ) You can selectively set the size. For example... Figure 24 , 25 As shown in Figure 28, the width (W) of each material strip 52b1-52b3 of the one or more material strips 52b 52b-1 W 52b-2 W 52b-3 The dimensions are selectively set such that the inner sidewall surface portion 58b of each material strip 52b1-52b3 of the one or more material strips 52a is... M and the outer sidewall surface portion 58b L Each of the inner sidewall surface portions 42b corresponding to each of the first midsole portion 36b and the second midsole portion 44b M 50b M and the outer sidewall surface portion 42b L 50b L Alignment. This refers to the corresponding inner sidewall surface portion 42b described above. M 50b M 58bM and the outer sidewall surface portion 42b L 50b L 58b L As a result of the alignment, when observing the inner 22b or outer 24b of the sole structure 14b, the inner sidewall surface portion 58b of each material band 52b1-52b3 of the one or more material bands 52b M Or the outer sidewall surface portion 58b L It is visible.

[0169] In such Figure 29 In another example shown, the width (W) of each material strip 52b1-52b3 of the one or more material strips 52b 52b-1 W 52b-2 W 52b-3 The dimensions are selectively set such that the inner sidewall surface portion 58b of each of the one or more material strips 52b1-52b3 is... M and the outer sidewall surface portion 58b L Each of the inner sidewall surface portions 42b of the first midsole portion 36b and the second midsole portion 44b is not connected to the inner sidewall surface portion 42b of the second midsole portion 44b. M 50b M and the outer sidewall surface portion 42b L 50b L Aligned and not extending beyond it. This is the corresponding inner sidewall surface portion 42b described above. M 50b M 58b M and the outer sidewall surface portion 42b L 50b L 58b L As a result of misalignment, when observing the inner 22b or outer 24b of the sole structure 14b, the inner sidewall surface portion 58b of each material band 52b1-52b3 of the one or more material bands 52b is... M Or the outer sidewall surface portion 58b L It is invisible.

[0170] In such Figure 30 In another example shown, the width (W) of each of the one or more material strips 52b1-52b3 is... 52b-1 W 52b-2 W 52b-3 The dimensions are selectively set such that the inner sidewall surface portion 58b of each of the one or more material strips 52b1-52b3 is... M and the outer sidewall surface portion 58b LEach of the inner sidewall surface portions 42b extending beyond the first midsole portion 36b and the second midsole portion 44b M 50b M and the outer sidewall surface portion 42b L 50b L Therefore, from the inner sidewall surface portion 58b of each of the one or more material strips 52b1-52b3... M Each width (W) of each of the one or more extended material strips 52b1-52b3 52b-1 ), (W 52b-2 ), (W 52b-3 The first part (W) 52b-P1 and the outer sidewall surface portion 58b of each of the one or more material strips 52b1-52b3. L Each width (W) of each of the one or more extended material strips 52b1-52b3 52b-1 ), (W 52b-2 ), (W 52b-3 The second part (not shown) may correspondingly be, for example, along the inner sidewall surface portion 42b of each of the first midsole portion 36b and the second midsole portion 44b. M 50b M and the outer sidewall surface portion 42b L 50b L Extend and arrange them adjacent to it. However, as Figure 30 As shown, each width (W) of each material strip 52b1-52b3 of the one or more material strips 52b 52b-1 ), (W 52b-2 ), (W 52b-3 The first part (W) 52b-P1 ) and each width (W) of each material strip 52b1-52b3 of the one or more material strips 52b 52b-1 ), (W 52b-2 ), (W 52b-3 The second part (not shown) does not extend correspondingly along the upper 12b of the footwear article 10b, nor is it arranged adjacent to it accordingly. Therefore, when observing the inner 22b or outer 24b of the sole structure 14b, each width (W) of each material strip 52b1-52b3 of the one or more material strips 52b is... 52b-1 ), (W 52b-2 ), (W 52b-3 The first part (W) 52b-P1 ) and each width (W) of each material strip 52b1-52b3 of the one or more material strips 52b 52b-1 ), (W 52b-2), (W 52b-3 The second part (not shown) is visible.

[0171] In such Figure 31 In another example shown, the width (W) of each material strip 52b1-52b3 of the one or more material strips 52b 52b-1 W 52b-2 W 52b-3 The dimensions are selectively set such that the inner sidewall surface portion 58b of each of the one or more material strips 52b1-52b3 is... M and the outer sidewall surface portion 58b L Each of the inner sidewall surface portions 42b extending beyond the first midsole portion 36b and the second midsole portion 44b M 50b M and the outer sidewall surface portion 42b L 50b L Therefore, from the inner sidewall surface portion 58b of each of the one or more material strips 52b1-52b3... M Each width (W) of each of the one or more extended material strips 52b1-52b3 52b-1 ), (W 52b-2 ), (W 52b-3 The first part (W) 52b-P1 and the outer sidewall surface portion 58b of each of the one or more material strips 52b1-52b3. L Each width (W) of each of the one or more extended material strips 52b1-52b3 52b-1 ), (W 52b-2 ), (W 52b-3 The second part (not shown) may correspondingly extend and be arranged adjacent to: (1) the inner sidewall surface portion 42b of each of the first midsole portion 36b and the second midsole portion 44b. M 50b M and the outer sidewall surface portion 42b L 50b L (2) At least a portion of the inner and outer sides of the upper 12b. Therefore, when observing the inner side 22b or the outer side 24b of the sole structure 14b, each width (W) of each material band 52b1-52b3 of the one or more material bands 52b is considered. 52b-1 ), (W 52b-2 ), (W 52b-3 The first part (W) 52b-P1 ) and each width (W) of each material strip 52b1-52b3 of the one or more material strips 52b52b-1 ), (W 52b-2 ), (W 52b-3 The second part (not shown) is visible.

[0172] refer to Figure 26 and 27 At least one band 52b1-52b3 of the one or more material bands 52b (see, for example) Figure 26 With 52b1-52b3 or Figure 27 One or more regions of a material strip 52b2 may further define at least one channel or hole 68b of at least one strip 52b1-52b3 of the one or more material strips 52b, or the absence thereof. The at least one channel 68b extends through the thickness (T) of the at least one strip 52b1-52b3 of the one or more material strips 52b between the top surface 54b and the bottom surface 56b. 52b If the polymer material defines one or both of the first midsole portion 36b and the second midsole portion 44b, the polymer material may be molded around any surface defining the at least one band 52b1-52b3 of the one or more material bands 52b and / or through the thickness (T) of the at least one band 52b1-52b3 extending through the one or more material bands 52b. 52b At least one channel 68b is molded.

[0173] The at least one channel 68b may include multiple channels or holes 68b1-68b n For example, the at least one channel 68b may include a first channel 68b1 and a last channel 68b. n and one or more intermediate channels 68b2-68b n-1 In one example, such as Figure 26 As shown, the multiple channels 68b1-68b n Any desired pattern arrangement (e.g., (1) an arranged grid, (2) staggered rows and columns, or (3) a random pattern) is possible, thereby providing the plurality of channels or holes 68b1-68b n Arranged between the forefoot region 16b and the heel region 20b of the sole structure 14b (i.e., spanning substantially most or all of the length of the sole structure 14b). 14b )) and between the inner side 22b and outer side 24b of the footwear 10b (i.e., across the width (W) of the sole structure 14) 14b In other embodiments, the plurality of channels 68b1-68b nThe pattern can be arranged in a pattern (e.g., (1) an arranged grid, (2) staggered rows and columns, or (3) a random pattern), the pattern not extending across the forefoot region 16b and heel region 20b of the sole structure 14b or between the inner side 22b and outer side 24b of the footwear article 10b. Despite the plurality of channels 68b1-68b n It can be extended across substantially most or all of the length (L) of the sole structure 14b as described above. 14b The multiple channels 68b1-68b n A pattern arrangement (e.g., (1) an arranged grid, (2) staggered rows and columns, or (3) a random pattern) may be used, the pattern extending across: (1) some or all of the heel region 20b of the sole structure 14b, but not the forefoot region 16b or midfoot region 18b of the sole structure 14b; (2) some or all of the forefoot region 16b of the sole structure 14b, but not the midfoot region 18b or heel region 20b of the sole structure 14b; (3) some or all of the forefoot region 16b and heel region 20b of the sole structure 14b, but not the midfoot region 18b of the sole structure 14b; or (4) as... Figure 27 As shown, some or all of the midfoot region 18b is shown instead of the forefoot region 16b and the heel region 20b.

[0174] Continue to refer to Figure 26 and 27 The multiple channels 68b1-68b n Each channel is shown as being composed of any size or diameter (D) 68b The shape is generally circular or oval. In some examples, the size or diameter (D) is defined. 68b It can be roughly equal to about 0.5 mm or about 3.0 mm. In some cases, the size or diameter (D) is... 68b The diameter can be from approximately 0.5 mm to approximately 3.0 mm. Furthermore, the plurality of channels 68b1-68b... n Each channel may be defined with a generally similar size or diameter (D). 68b Although the multiple channels 68b1-68b n Each channel may be defined by a size or diameter (D) of approximately the same size or shape. 68b The embodiment of at least one band 52b1-52b3 of the one or more material bands 52b may include the plurality of channels 68b1-68b. n At least one channel having a different size or shape and a diameter (D) 68b For example, the multiple channels 68b1-68b nAt least one channel may have said plurality of channels 68b1-68b in the heel region 20b of the sole structure 14b, the forefoot region 16b of the sole structure 14b, the midfoot region 18b of the sole structure 14b, or the forefoot region 16b and heel region 20b of the sole structure 14b. n Another channel of different size or shape, or diameter (D) 68b ).

[0175] refer to Figure 24 The top surface 38b of the first midsole portion 36b may further define at least one second midsole contact area 70b and at least one material strip contact area 72b. The bottom surface 48b of the second midsole portion 44b may further define at least one first midsole contact area 74b and at least one material strip contact area 76b.

[0176] Each of the at least one second midsole contact area 70b of the first midsole portion 36b and the at least one first midsole contact area 74b of the second midsole portion 44b may define a size or shape that substantially corresponds to the size or shape of the at least one channel 68b of the at least one band 52b1-52b3 of the one or more material bands 52b. If the at least one channel 68b of the at least one band 52b1-52b3 of the one or more material bands 52b defines a plurality of channels 68b1-68b... n Each of the at least one second midsole contact area 70b of the first midsole portion 36b and the at least one first midsole contact area 74b of the second midsole portion 44b may define a corresponding plurality of second midsole contact areas 70b1-70b. n and multiple first midsole contact areas 74b1-74b n Furthermore, the multiple channels 68b1-68b n Each channel and contact area can correspondingly correspond to the plurality of second midsole contact areas 70b1-70b n One and the plurality of first midsole contact areas 74b1-74b n Aligned along one axis.

[0177] In one example, when the footwear article 10b is formed, the surfaces of each material strip 52b1-52b3 of the one or more material strips 52b, the first midsole portion 36b, the second midsole portion 44b, and the outsole 26b may be arranged to be near, close to, spaced apart from, or adjacent to each other. For example, the at least one material strip contact area 72b of the top surface 38b of the first midsole portion 36b may be arranged adjacent to the bottom surface 56b of each material strip 52b1-52b3 of the one or more material strips 52b, and the at least one material strip contact area 76b of the bottom surface 48b of the second midsole portion 44b may be arranged adjacent to the top surface 54b of each material strip 52b1-52b3 of the one or more material strips 52b.

[0178] Once each of the one or more material strips 52b1-52b3 is arranged relative to the first midsole portion 36b and the second midsole portion 44b, as described above, each of the one or more material strips 52b1-52b3 may be referred to as being arranged between the first midsole portion 36b and the second midsole portion 44b. Although each of the one or more material strips 52b1-52b3 may be arranged between the first midsole portion 36b and the second midsole portion 44b, as a result of one or a combination of the following: (1) the longitudinal spacing between each of the one or more material strips 52b1-52b3 of the one or more material strips 52b, and (2) the formation of the at least one channel 68b of the at least one strip 52b1-52b3 of the one or more material strips 52b, one or more portions of the first midsole portion 36b may be in direct contact with one or more portions of the second midsole portion 44b, such that: (A) portions of the top surface 38b of the first midsole portion 36b and the bottom surface 48b of the second midsole portion 44b, which are not separated by the one or more material strips 52b, may contact each other, and (B) at least one second midsole contact area 70b of the top surface 38b of the first midsole portion 36b may be arranged adjacent to the at least one first midsole contact area 74b of the bottom surface 48b of the second midsole portion 44b. After the first midsole portion 36b is arranged adjacent to the second midsole portion 44b relative to each of the one or more material strips 52b1-52b3, as described above, the midsole 28b defined by the first midsole portion 36b, the second midsole portion 44b, and each of the one or more material strips 52b1-52b3 can be arranged in the mold tool 92b (see, for example, see...). Figures 32-33 ), used to directly bond the first midsole portion 36b to the second midsole portion 44b.

[0179] Mold tool 92b includes the upper mold half 92b U and lower mold half 92b LUpper mold half 92b U and lower mold half 92b L Each definable mold surface is used to bond the first midsole portion 36b to the second midsole portion 44b under heat and pressure.

[0180] like Figure 32 As shown, the mold tool 92b makes the upper mold half 92b U and lower mold half 92b L The materials are spaced apart and in an open configuration, such that the first midsole portion 36b, the second midsole portion 44b, and each of the one or more material strips 52b1-52b3 are arranged therebetween. Then, as... Figure 33 As shown, after the mold tool 92b is positioned in the closed configuration for a period of time, with the first midsole portion 36b joined to the second midsole portion 44b and each of the one or more material strips 52b1-52b3 of the material strips 52b fixed therebetween, the mold tool 92b can be returned to the open configuration.

[0181] After that, the midsole contact surface 30b of the outsole 26b may be arranged adjacent to the bottom surface 40b of the first midsole portion 36b for attaching the outsole 26b to the first midsole portion 36b. In one example, the outsole 26b may be attached to the first midsole portion 36b by an adhesive or by a molding tool in a manner generally similar to that described above.

[0182] refer to Figure 30 Or 31, the width (W) of each material strip 52b1-52b3 of the one or more material strips 52b 52b-1 W 52b-2 W 52b-3 The dimensions are selectively set such that the inner sidewall surface portion 58b of each of the one or more material strips 52b1-52b3 is... M and the outer sidewall surface portion 58b L Each of the inner sidewall surface portions 42b extending beyond the first midsole portion 36b and the second midsole portion 44b M 50b M and the outer sidewall surface portion 42b L 50b L Each width (W) of each of the one or more material strips 52b1-52b3 is... 52b-1 ), (W 52b-2 ), (W 52b-3 The first part (W) 52b-P1 ) and each width (W) of each material strip 52b1-52b3 of the one or more material strips 52b 52b-1 ), (W52b-2 ), (W 52b-3 The second part (not shown) may be folded or extended upwards adjacent to or along the following: such as Figure 30 and 31 As shown, (1) the inner sidewall surface portion 42b of each of the first midsole portion 36b and the second midsole portion 44b M 50b M and the outer sidewall surface portion 42b L 50b L , and in such Figure 31 But not Figure 30 In the alternative embodiment shown, (2) at least a portion of the inner and outer sides of the upper 12b.

[0183] While the die tool 92b can be used to join the first midsole portion 36b to the second midsole portion 44b under heat and pressure, in some configurations an optional adhesive (not shown) may also be used, or alternatively, to bond the first midsole portion 36b to the second midsole portion 44b. In some cases, the optional adhesive may be in the form of a sheet. In other examples, the optional adhesive may conform to any desired shape, pattern, or configuration, such as, for example, the shape, pattern, or configuration of the at least one channel 68b of the one or more material strips 52b with strips 52b1-52b3.

[0184] In one example, a first optional adhesive may be disposed between a first midsole portion 36b and a second midsole portion 44b; furthermore, the first optional adhesive may be disposed between the top surface 38b of the first midsole portion 36b and the bottom surface 56b of each of the one or more material strips 52b1-52b3, such that the first optional adhesive is axially aligned with at least a portion of the shape, pattern, or construction of at least one channel 68b of each of the one or more material strips 52b1-52b3 and extends radially across it. The first optional adhesive adhesive adhesively bonds the first midsole portion 36b, the second midsole portion 44b, and each of the one or more material strips 52b1-52b3 together.

[0185] In another example, a second optional adhesive may be disposed between the first midsole portion 36b and the second midsole portion 44b; furthermore, the second optional adhesive may be disposed between the top surface 54b of each material strip 52b1-52b3 of the one or more material strips 52b and the bottom surface 48b of the second midsole portion 44b, such that the second optional adhesive is axially aligned with at least a portion of the shape, pattern, or construction of at least one channel 68b of each material strip 52b1-52b3 of the one or more material strips 52b. The second optional adhesive adhesive adhesively bonds the first midsole portion 36b, the second midsole portion 44b, and each material strip 52b1-52b3 of the one or more material strips 52b together.

[0186] In another example, a first optional adhesive and a second optional adhesive may be disposed between a first midsole portion 36b and a second midsole portion 44b. The first optional adhesive may be disposed between the top surface 38b of the first midsole portion 36b and the bottom surface 56b of each of the one or more material strips 52b1-52b3, such that the first optional adhesive is axially aligned with at least a portion of the shape, pattern, or construction of at least one channel 68b of each of the one or more material strips 52b1-52b3 and extends radially across it. The second optional adhesive may be disposed between the top surface 54b of each of the one or more material strips 52b1-52b3 and the bottom surface 48b of the second midsole portion 44b, such that the second optional adhesive is axially aligned with at least a portion of the shape, pattern, or construction of at least one channel 68b of each of the one or more material strips 52b1-52b3 and extends radially across it. A first optional adhesive and a second optional adhesive adhesive adhesively bond together the first midsole portion 36b, the second midsole portion 44b, and each of the material strips 52b1-52b3 of the one or more material strips 52b.

[0187] Although the top surfaces 38, 38a of the first midsole portions 36, 36a, 36b and the bottom surfaces 48, 48a, 48b of the second midsole portions 44, 44a, 44b of each midsole structure 14, 14a, 14b have been described above as generally flat (e.g., planar), and thus not interrupted by one or more recesses, grooves, valleys or other similar features, the non-flat (i.e., non-planar) top surface 38c of the first midsole portion 36c and the non-flat (i.e., non-planar) bottom surface 48c of the second midsole portion 44c of the exemplary midsole 28c of the exemplary midsole structure 14c are... Figure 34As shown. In one example, each of the top surface 38c of the first midsole portion 36c and the bottom surface 48c of the second midsole portion 44c may be substantially defined by one or more peaks 84c, 88c and recesses, grooves or valleys 86c, 90c, such that each of the top surface 38c of the first midsole portion 36c and the bottom surface 48c of the second midsole portion 44c defines a substantially matching sinusoidal pattern extending between the forefoot region 16c and the heel region 20c of the sole structure 14c. Furthermore, in one example, the matching sinusoidal pattern of each of the first midsole portion 36c and the second midsole portion 44c may be defined by a substantially constant or non-constant amplitude, said amplitude being the length (L) across the sole structure 14c. 14c Each peak 84c, 88c and each trough 86c, 90c is defined. Furthermore, as each peak 84c, 88c extends between the inner 22c and outer 24c of the sole structure 14c, the constant or non-constant amplitude may or may not remain substantially the same. Moreover, in one example, as the matching sinusoidal pattern extends between the forefoot region 16c and the heel region 20c of the sole structure 14c, the matching sinusoidal pattern of the first midsole portion 36c and the second midsole portion 44c may be defined by a substantially constant or non-constant frequency.

[0188] In one example, Figure 35 The one or more material strips 52c of the sole structure 14c include a first material strip 52c1 extending laterally, a second material strip 52c2 extending laterally across the midsole region 18c, and a third material strip 52c3 extending laterally across the heel region 20c. Although the first, second, and third material strips 52c1, 52c2, and 52c3 are shown extending laterally across the forefoot region 16c, midfoot region 18c, and forefoot region 20c, respectively, the sole structure 14c may include any desired number of strips. For example, the sole structure 14c may include, for example, six material strips arranged, for example, in a "cross" pattern forming an "X" construction. Furthermore, each of the one or more material strips 52c1-52c3 may extend substantially perpendicularly or non-perpendicularly along / relative to a corresponding axis, which corresponds to axis A. 14c -A 14c (the length of 14c along the sole structure (L) 14c The width of the forefoot region 16c, midfoot region 18c, and forefoot region 20c (extended).

[0189] refer to Figure 35When the matching sinusoidal top surface 38c of the first midsole portion 36c and the matching sinusoidal bottom surface 48c of the second midsole portion 44c are joined together, for example, in a molding tool (as described above at reference numerals 92, 92a, 92b), the matching sinusoidal pattern of the top surface 38c of the first midsole portion 36c and the bottom surface 48c of the second midsole portion 44c can cause each of the one or more material strips 52c1-52c3 captured between the first midsole portion 36c and the second midsole portion 44c to be shaped into defining a corresponding sinusoidal pattern. In one example, one or both of the matching sinusoidal top surface 38c of the first midsole portion 36c and the matching sinusoidal bottom surface 48c of the second midsole portion 44c may, for example, be formed by a generally flat / planar shape for each of the one or more material strips 52c1-52c3, the generally flat / planar shape being defined by each of the top surface 54c and bottom surface 56c of each of the one or more material strips 52c1-52c3 to form at least a portion of a non-flat / non-planar matching sinusoidal pattern corresponding to a matching sinusoidal pattern defined by each of the top surface 38c of the first midsole portion 36c and the bottom surface 48c of the second midsole portion 44c.

[0190] In one example, each of the one or more material strips 52c1-52c3 is formed of a flexible material. Each of the one or more material strips 52c1-52c3 may include woven fabric, woven textile (e.g., see...). Figure 34 Each material (with a magnified view of 52c) or knitted textiles (see, for example, see...) Figure 34 (Enlarged view of each material strip 52c). In some cases, each material strip 52c1-52c3 of the one or more material strips 52c is porous. Each material strip 52c1-52c3 of the one or more material strips 52c may be formed of a polymeric material, such as a thermoplastic polymeric material. Exemplary thermoplastic polymeric materials may include, for example, thermosetting polymeric materials. In some cases, each material strip 52c1-52c3 of the one or more material strips 52c may be a thermoformable material. In some examples, if each material strip 52c is a woven or knitted structure (e.g., in... Figure 34 (As can be seen in the magnified view), woven or knitted structures can be formed from polymer yarns. Furthermore, in some examples, if each material strip 52c is a woven or knitted structure (e.g. in...), Figure 34(As can be seen in the enlarged view), each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52c may, for example, be at least 0.5 mm in length at its maximum dimension, or at least 1.0 mm in length at its maximum dimension. Furthermore, each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52c may allow one or both of the first midsole portion 36c and the second midsole portion 44c to be in direct contact with each other. In other embodiments, one or both of the first midsole portion 36c and the second midsole portion 44c may be injection molded around or through each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52c.

[0191] Although the top surfaces 38, 38a of the first midsole portions 36, 36a, 36b and the bottom surfaces 48, 48a, 48b of the second midsole portions 44, 44a, 44b of each midsole structure 14, 14a, 14b have been described above as generally flat (e.g., planar), and thus not interrupted by one or more recesses, grooves, valleys or other similar features, the non-flat (i.e., non-planar) top surface 38d of the first midsole portion 36d and the non-flat (i.e., non-planar) bottom surface 48d of the second midsole portion 44d of the exemplary midsole 28d of the exemplary midsole structure 14c are... Figure 36 As shown. In one example, each of the top surface 38d of the first midsole portion 36d and the bottom surface 48d of the second midsole portion 44d may be substantially defined by one or more peaks 84d, 88d and recesses, grooves or valleys 86d, 90d, such that each of the top surface 38d of the first midsole portion 36d and the bottom surface 48d of the second midsole portion 44d defines a substantially matching serrated pattern that extends between the forefoot region 16d and the heel region 20d of the sole structure 14d. Furthermore, in one example, the matching serrated pattern of each of the first midsole portion 36d and the second midsole portion 44d may be defined by a substantially constant or non-constant amplitude, said amplitude being the length (L) across the sole structure 14d. 14d Each peak 84d, 88d and each trough 86d, 90d is defined. Furthermore, as each peak 84d, 88d extends between the medial side 22d and the lateral side 24d of the sole structure 14d, the constant or non-constant amplitude may or may not remain substantially the same. Moreover, in one example, as the matching serrated pattern extends between the forefoot region 16d and the heel region 20d of the sole structure 14d, the matching sinusoidal pattern of the first midsole portion 36d and the second midsole portion 44bd may be defined by a substantially constant or non-constant frequency.

[0192] In one example, Figure 37The one or more material strips 52d of the sole structure 14d include a first material strip 52d1 extending laterally, a second material strip 52d2 extending laterally across the midsole region 18d, and a third material strip 52d3 extending laterally across the heel region 20d. Although the first, second, and third material strips 52d1, 52d2, and 52d3 are shown extending laterally across the forefoot region 16d, midfoot region 18d, and forefoot region 20d, respectively, the sole structure 14d may include any desired number of strips. For example, the sole structure 14d may include six material strips, which may be arranged, for example, to form a "cross" pattern of an "X" construction. Furthermore, each of the one or more material strips 52d1-52d3 may extend substantially perpendicularly or non-perpendicularly along / relative to a corresponding axis, which corresponds to axis A. 14d -A 14d (the length along the sole structure 14d (L) 14d The width of the forefoot region 16d, midfoot region 18d, and forefoot region 20d (extended).

[0193] refer to Figure 37 When the matching serrated top surface 38d of the first midsole portion 36d and the matching serrated bottom surface 48d of the second midsole portion 44d are joined together, for example, in a molding tool (as described above at reference numerals 92, 92a, 92b), the matching serrated pattern of the top surface 38d of the first midsole portion 36d and the bottom surface 48d of the second midsole portion 44d can cause each of the one or more material strips 52d1-52d3 captured between the first midsole portion 36d and the second midsole portion 44d to be shaped to define a corresponding serrated pattern. In one example, one or both of the matching serrated top surface 38d of the first midsole portion 36d and the matching serrated bottom surface 48d of the second midsole portion 44d may, for example, be formed by a generally flat / planar shape to form each of the one or more material strips 52d1-52d3, the generally flat / planar shape being defined by each of the top surface 54d and bottom surface 56d of each of the one or more material strips 52d1-52d3, to form at least a portion of a non-flat / non-planar matching serrated pattern, the non-flat / non-planar matching serrated pattern corresponding to the matching serrated pattern defined by each of the top surface 38d of the first midsole portion 36d and the bottom surface 48d of the second midsole portion 44d.

[0194] In one example, each of the one or more material strips 52d1-52d3 is formed of a flexible material. Each of the one or more material strips 52d1-52d3 may include woven fabric, woven textile (e.g., see...). Figure 36 Each material has a 52d magnified view) or knitted textiles (see, for example, see...). Figure 36 (Enlarged view of each material strip 52d). In some cases, each material strip 52d1-52d3 of the one or more material strips 52d is porous. Each material strip 52d1-52d3 of the one or more material strips 52d may be formed of a polymeric material, such as a thermoplastic polymeric material. Exemplary thermoplastic polymeric materials may include, for example, thermosetting polymeric materials. In some cases, each material strip 52d1-52d3 of the one or more material strips 52d may be a thermoformable material. In some examples, if each material strip 52d is a woven or knitted structure (e.g., in... Figure 36 (As can be seen in the magnified view), woven or knitted structures can be formed from polymer yarns. Furthermore, in some examples, if each material strip 52d is a woven or knitted structure (e.g. in...), Figure 36 (As can be seen in the enlarged view), each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52d may, for example, be at least 0.5 mm in length at its maximum dimension, or at least 1.0 mm in length at its maximum dimension. Furthermore, each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52d may allow one or both of the first midsole portion 36d and the second midsole portion 44d to be in direct contact with each other. In other embodiments, one or both of the first midsole portion 36d and the second midsole portion 44d may be injection molded around or through each channel or hole formed by the overlapping members of the woven or knitted structure defining each material strip 52d.

[0195] Although the top surfaces 54, 54a, 54b and bottom surfaces 56, 56a, 56b of each material band 521-523, 52a1-52a3, 52b1-52b3 of the one or more material bands 52, 52a, 52b are generally flat (e.g., planar) as described above, and thus not interrupted by one or more recesses, channels, valleys or other similar features, the non-flat (i.e., non-planar) top surface 54e and bottom surface 56e of each material band 52e1-52e3 of the exemplary one or more material bands 52e are... Figure 38 As shown in the figure. In one example, each of the top surface 54e and bottom surface 56e of each of the one or more material strips 52e1-52e3 may be substantially preformed to define one or more peaks 78e and recesses, channels, valleys 80e, so that each of the top surface 54e and bottom surface 56e of each of the one or more material strips 52e1-52e3 defines a substantially sinusoidal pattern.

[0196] In one example, Figure 38The one or more material strips 52e of the sole structure 14e include a first material strip 52e1 extending laterally, a second material strip 52e2 extending laterally across the midsole region 18e, and a third material strip 52e3 extending laterally across the heel region 20e. Although the first, second, and third material strips 52e1, 52e2, and 52e3 are shown extending laterally across the forefoot region 16e, midfoot region 18e, and forefoot region 20e, respectively, the sole structure 14e may include any desired number of strips. For example, the sole structure 14e may include six material strips, which may be arranged, for example, to form a "cross" pattern of an "X" construction. Furthermore, each of the one or more material strips 52e1-52e3 may extend substantially perpendicularly or non-perpendicularly along / relative to a corresponding axis, which corresponds to axis A. 14e -A 14e (along the length of the sole structure 14e (L) 14e The width of the forefoot region 16e, midfoot region 18e, and forefoot region 20e (extended).

[0197] Furthermore, in one example, the sinusoidal pattern of each of the one or more material strips 52e1-52e3 can be defined by a generally constant or non-constant amplitude, said amplitude being the length (L) spanning the sole structure 14e. 14e Each peak 78e and each trough 80e is defined. Furthermore, as each peak 78e extends between the inner and outer sides of the sole structure 14e, the constant or non-constant amplitude may or may not remain substantially the same. Moreover, in one example, as the sinusoidal pattern extends between the forefoot region 16e and the heel region 20e of the sole structure 14e, the sinusoidal pattern of each of the one or more material bands 52e1-52e3 may be defined by a substantially constant or non-constant frequency.

[0198] like Figure 38As shown, when the sinusoidal top surface 54e and sinusoidal bottom surface 56e of each of the one or more material strips 52e1-52e3 are arranged opposite to the corresponding portions of the top surface 38e of the first mid-sole portion 36e and the bottom surface 48e of the second mid-sole portion 44e, such that the first mid-sole portion 36e, the second mid-sole portion 44e and the one or more material strips 52e are joined together, for example, in a molding tool (as described above at reference numerals 92, 92a, 92b), the sinusoidal top surface 54e and sinusoidal bottom surface 56e of each material strip 52e1-52e3 can cause the corresponding portions of the top surface 38e of the first mid-sole portion 36e and the bottom surface 48e of the second mid-sole portion 44e to be shaped into defining corresponding sinusoidal patterns. In one example, one or both of the sinusoidal top surface 54e and sinusoidal bottom surface 56e of each material strip 52e1-52e3 may, for example, form a generally flat / planar shape that defines a corresponding portion of the top surface 38e of the first midsole portion 36e and the bottom surface 48e of the second midsole portion 44e, the generally flat / planar shape being defined by each of the top surface 38e of the first midsole portion 36e and the bottom surface 48e of the second midsole portion 44e, to form at least a portion of a non-flat / non-planar sinusoidal pattern that corresponds to a sinusoidal pattern defined by each of the top surface 54e and sinusoidal bottom surface 56e of each material strip 52e1-52e3.

[0199] In one example, each of the one or more material strips 52e1-52e3 is formed of a flexible material. Each of the one or more material strips 52e1-52e3 may be formed of a woven fabric, a woven fabric, or a knitted fabric. In some cases, each of the one or more material strips 52e1-52e3 is porous. Each of the one or more material strips 52e1-52e3 may be formed of a polymeric material, such as a thermoplastic polymeric material. Exemplary thermoplastic polymeric materials may include, for example, thermosetting polymeric materials. In some cases, each of the one or more material strips 52e1-52e3 may be a thermoformable material. In some examples, if each material strip 52e is a woven or knitted structure, the woven or knitted structure may be formed of polymer yarns. Furthermore, in some examples, if each material strip 52e is a woven or knitted structure, each channel or hole formed by the overlapping members defining the woven or knitted structure of each material strip 52e may, for example, be at least 0.5 mm in length at its maximum dimension, or at least 1.0 mm in length at its maximum dimension. Additionally, each channel or hole formed by the overlapping members defining the woven or knitted structure of each material strip 52e may allow one or both of the first midsole portion 36e and the second midsole portion 44e to be in direct contact with each other. In other embodiments, one or both of the first midsole portion 36e and the second midsole portion 44e may be injection molded around or through each channel or hole formed by the overlapping members defining the woven or knitted structure of each material strip 52e.

[0200] Although the top surfaces 54, 54a, 54b and bottom surfaces 56, 56a, 56b of each material band 521-523, 52a1-52a3, 52b1-52b3 of the one or more material bands 52, 52a, 52b are generally flat (e.g., planar) as described above, and thus there is no interruption by one or more recesses, channels, valleys or other similar features, the non-flat (i.e., non-planar) top surface 54f and bottom surface 56f of each material band 52f1-52f3 of the exemplary one or more material bands 52f are... Figure 39 As shown in the figure. In one example, each of the top surface 54f and bottom surface 56f of each of the one or more material strips 52f1-52f3 can be substantially preformed to define one or more peaks 78f and recesses, channels, valleys 80f, so that each of the top surface 54f and bottom surface 56f of each of the one or more material strips 52f52f1-52f3 defines a generally serrated pattern.

[0201] In one example, Figure 39The sole structure 14f includes one or more material strips 52f comprising a first material strip 52f1 extending laterally, a second material strip 52f2 extending laterally across the midsole region 18f, and a third material strip 52f3 extending laterally across the heel region 20f. Although the first, second, and third material strips 52f1, 52f2, and 52f3 are shown extending laterally across the forefoot region 16f, midfoot region 18f, and forefoot region 20f, respectively, the sole structure 14f may include any desired number of strips. For example, the sole structure 14f may include six material strips, which may be arranged, for example, to form a "cross" pattern of an "X" construction. Furthermore, each of the one or more material strips 52f1-52f3 may extend substantially perpendicularly or non-perpendicularly along / relative to a corresponding axis, which corresponds to axis A. 14f -A 14f (the length along the sole structure 14f (L) 14f The width of the forefoot region 16f, midfoot region 18f, and forefoot region 20f (extended).

[0202] Furthermore, in one example, the serrated pattern of each of the one or more material strips 52f1-52f3 can be defined by a generally constant or non-constant amplitude, said amplitude being the length (L) spanning the sole structure 14f. 14f Each peak 78f and each trough 80f is defined. Furthermore, as each peak 78f extends between the inner and outer sides of the sole structure 14f, the constant or non-constant amplitude may or may not remain substantially the same. Moreover, in one example, as the serrated pattern extends between the forefoot region 16f and the heel region 20f of the sole structure 14f, the serrated pattern of each of the one or more material strips 52f1-52f3 may be defined by a substantially constant or non-constant frequency.

[0203] like Figure 39As shown, when the serrated top surface 54f and serrated bottom surface 56f of each material strip 52f1-52f3 of the one or more material strips 52e are arranged opposite to the corresponding portions of the top surface 38f of the first midsole portion 36f and the bottom surface 48f of the second midsole portion 44f, such that the first midsole portion 36f, the second midsole portion 44f and the one or more material strips 52f are joined together, for example, in a molding tool (as described above at reference numerals 92, 92a, 92b), the serrated top surface 54f and serrated bottom surface 56f of each material strip 52f1-52f3 can cause the corresponding portions of the top surface 38f of the first midsole portion 36f and the bottom surface 48f of the second midsole portion 44f to be shaped into defining corresponding serrated patterns. In one example, one or both of the serrated top surface 54f and serrated bottom surface 56f of each material strip 52f1-52f3 may, for example, form a generally flat / planar shape that defines a corresponding portion of the top surface 38f of the first midsole portion 36f and the bottom surface 48f of the second midsole portion 44f, the generally flat / planar shape being defined by each of the top surface 38f of the first midsole portion 36f and the bottom surface 48f of the second midsole portion 44f, to form at least a portion of a non-flat / non-planar serrated pattern, the non-flat / non-planar serrated pattern corresponding to a serrated pattern defined by each of the top surface 54f and the sinusoidal bottom surface 56f of each material strip 52f1-52f3.

[0204] In one example, each of the one or more material strips 52f1-52f3 is formed of a flexible material. Each of the one or more material strips 52f1-52f3 may be formed of a woven fabric, a woven fabric, or a knitted fabric. In some cases, each of the one or more material strips 52f1-52f3 is porous. Each of the one or more material strips 52f1-52f3 may be formed of a polymeric material, such as a thermoplastic polymeric material. Exemplary thermoplastic polymeric materials may include, for example, thermosetting polymeric materials. In some cases, each of the one or more material strips 52f1-52f3 may be a thermoformable material. In some examples, if each material strip 52f is a woven or knitted structure, the woven or knitted structure may be formed of polymer yarns. Furthermore, in some examples, if each material strip 52f is a woven or knitted structure, each channel or hole formed by the overlapping members defining each material strip 52f may, for example, be at least 0.5 mm in length at its maximum dimension, or at least 1.0 mm in length at its maximum dimension. Additionally, each channel or hole formed by the overlapping members defining each material strip 52f may allow one or both of the first midsole portion 36f and the second midsole portion 44f to be in direct contact with each other. In other embodiments, one or both of the first midsole portion 36f and the second midsole portion 44f may be injection molded around or through each channel or hole formed by the overlapping members defining each material strip 52f.

[0205] refer to Figures 40-47 The foam cutting system used to manufacture the first midsole portions 36, 36a, 36b, 36c, 36d, 36e and the second midsole portions 44, 44a, 44b, 44c, 44d, 44e is generally shown at 100. Figure 40 As shown, the system 100 generally includes a receiver section 102 and an insertion section 104. The receiver section 102 includes a transmitter 106, a pressing device 108, and a separating device 110 with blades 111. The insertion section 104 includes one or more pressing dies and one or more pressing blocks, the pressing dies including a first pressing die 112 and a second pressing die 114, and the pressing blocks such as, for example, a first pressing block 116 and a second pressing block 118.

[0206] like Figure 40 As shown, the original foam material unit F can be fixed by the insertion part 104 before being connected to the receiver part 102. Any one of the first midsole parts 36, 36a, 36b, 36c, 36d, 36e and the second midsole parts 44, 44a, 44b, 44c, 44d, 44e is obtained from the original foam material unit F. In the case of... Figures 40-47In the example shown, the first and second extrusion dies 112, 114 and the first and second extrusion blocks 116, 118 may be generally shaped to form the first midsole portion 36c and the second midsole portion 44c; however, it should be understood that the first and second extrusion dies 112, 114 and the first and second extrusion blocks 116, 118 may be shaped to include any desired shape, configuration or geometry to form any of the other first midsole portions 36, 36a, 36b, 36d, 36e and the second midsole portions 44, 44a, 44b, 44c, 44d, 44e, or any other first and second midsole portions not shown or described in this specification.

[0207] refer to Figure 41 In one example, before the insertion portion 104 contacts the receiver portion 102, the original foam material unit F is arranged on the first extrusion die 112, so that the lower surface F of the original foam material unit F... L Opposite to the patterned surface 112P of the first extrusion die 112. In one example, the patterned surface 112P of the first extrusion die 112 generally corresponds to a sinusoidal pattern with a generally constant amplitude and frequency. Furthermore, the first extrusion block 116 is arranged on the upper surface F of the original foam material unit F. U Above. The first extrusion block 116 may be obtained from a foam material, which is defined by a hardness or stiffness greater than that of the original foam material unit F.

[0208] like Figures 41-42 As shown, the conveyor 106 feeds the insertion portion 104 (defined by the first extrusion die 112 and the first extrusion block 116) and the raw foam material unit F fixed therein to the extrusion device 108, which can be defined by a plurality of roller members. The plurality of roller members of the extrusion device 108 can be spaced apart at a distance D on the upper surface of the conveyor 106, the distance D being less than the combined thickness of the first extrusion die 112, the first extrusion block 116 and the raw foam material unit F.

[0209] like Figure 42 As shown, once the insertion portion 104 and the original foam material unit F are in contact with the receiver portion 102, the plurality of roller members compress both the first compression block 116 and the original foam material unit F, thereby the first compression block 116 compresses at least a first portion F1 of the original foam material unit F (e.g., as shown in the diagram). Figures 43-44 (As seen) pushed into chamber 113 (e.g., as Figure 41 As seen, the chamber is defined by the patterned surface 112P of the first extrusion die 112. (See reference) Figures 42-43When the first part F1 of the original foam material unit F is pushed into the chamber 113 of the first extrusion die 112, the blade 111 of the separating device 110 separates the second part F2 of the original foam material unit F (e.g., as shown in the image). Figures 43-44 (As seen) it is separated from the first part F1 of the original foam material unit F.

[0210] refer to Figure 44 The first portion F1 of the original foam material unit F—defined by the chamber 113 of the patterned surface 112P and the first extrusion mold 112—may substantially define the size, shape, and geometry of the second midsole portion 44a as described above. Furthermore, as... Figure 44 As shown, the second part F2 of the original foam material unit F can be a material waste defined by a negative overprint, which corresponds to the first part F1 of the second insole 44a / original foam material unit F as described above.

[0211] refer to Figure 45 In another example, before the insertion portion 104 contacts the receiver portion 102, the original foam material unit F is arranged on the second extrusion die 114, so that the lower surface F of the original foam material unit F... L The patterned surface 114P of the second extrusion die 114 is opposite to that of the first extrusion die 112. In one example, the patterned surface 114P of the second extrusion die 114 generally corresponds to a flat, non-sinusoidal pattern. Furthermore, the first extrusion block 116 is arranged on the upper surface F of the original foam material unit F. U Above. The first extrusion block 116 may be obtained from a foam material, which is defined by a hardness or stiffness greater than that of the original foam material unit F. Furthermore, the lower surface 118 of the second extrusion block 118... L Arranged on the upper surface 116 of the first extrusion block 116 U Above, thereby, the lower surface 118 of the second extrusion block 118 L Defined by a sinusoidal pattern with a generally constant amplitude and frequency. For example, the first extrusion block 116 and the second extrusion block 118 may be defined by a hardness or stiffness greater than that of the original foam material unit F.

[0212] like Figures 45-46 As shown, the conveyor 106 feeds the insertion portion 104 (defined by the second extrusion die 114, the first extrusion block 116, and the second extrusion block 118) and the raw foam material unit F, which is defined by a plurality of roller members, towards the extrusion device 108. The plurality of roller members of the extrusion device 108 are spaced apart at a distance D on the upper surface of the conveyor 106, the distance D being less than the combined thickness of the first extrusion die 112, the first extrusion block 116, the second extrusion device 118, and the raw foam material unit F.

[0213] like Figure 46 As shown, once the insertion portion 104 and the original foam material unit F are in contact with the receiver portion 102, the plurality of roller members compress the first compression block 116, the second compression block 118, and the entirety of the original foam material unit F, thereby causing the first compression block 116 and the second compression block 118 to compress at least a first portion F1 of the original foam material unit F (e.g., as shown in the diagram). Figures 46-47 (As seen) pushed into chamber 115 (e.g., as Figure 45 As seen, the chamber is defined by the patterned surface 114P of the second extrusion die 114. (See reference) Figures 46-47 When the first part F1 of the original foam material unit F is pushed into the chamber 115 of the second extrusion die 114, the blade 111 of the separating device 110 separates the second part F2 of the original foam material unit F (e.g., as shown in the image). Figures 46-47 (As seen) it is separated from the first part F1 of the original foam material unit F.

[0214] refer to Figure 47 The first part F1 of the original foam material unit F—which is formed by the lower surface 118 of the second extrusion block 118. L The combination of the chamber 115 of the second extrusion die 114 defines—generally defining—the size, shape, and geometry of the first midsole portion 36c as described above. Furthermore, as... Figure 47 As shown, the second part F2 of the original foam material unit F can be a material waste defined by a negative overprint, which corresponds to the first part F1 of the first insole 36c / original foam material unit F as described above.

[0215] Although already Figures 40-47 A foam cutting system 100 is described for cutting patterns (e.g., sinusoidal patterns, zigzag patterns, etc.) provided by any one of the first midsole portions 36, 36a, 36b, 36c, 36d, 36e and the second midsole portions 44, 44a, 44b, 44c, 44d, 44e. Other methods may be used to cut patterns on the first midsole portions 36, 36a, 36b, 36c, 36d, 36e and the second midsole portions 44, 44a, 44b, 44c, 44d, 44e. In one example, a wire cutting device is used, wherein a wire (such as a heated wire) under tension is used as the "cutting blade".

[0216] Furthermore, although one or two of the first midsole portions 36, 36a, 36b, 36c, 36d, 36e and the second midsole portions 44, 44a, 44b, 44c, 44d, 44e can be cut to form a pattern (e.g., a sine pattern, a zigzag pattern, etc.), the pattern of one or two of the first midsole portions 36, 36a, 36b, 36c, 36d, 36e and the second midsole portions 44, 44a, 44b, 44c, 44d, 44e can be formed without cutting. For example, one or two of the first midsole portions 36, 36a, 36b, 36c, 36d, 36e and the second midsole portions 44, 44a, 44b, 44c, 44d, 44e may be molded around or through each of the one or more material strips 521-523, 52a1-52a3, 52b1-52b6, 52c1-52c3, 52d1-52d3, 52e1-52e3 of the material strips 52, 52a, 52b, 52c, 52d, 52e; in such an implementation In this configuration, the first midsole portions 36, 36a, 36b, 36c, 36d, 36e, the second midsole portions 44, 44a, 44b, 44c, 44d, 44e, and each of the one or more material strips 52, 52a, 52b, 52c, 52d, 52e, material strips 521-523, 52a1-52a3, 52b1-52b6, 52c1-52c3, 52d1-52d3, 52e1-52e3 can be pre-formed into a defined pattern (e.g., a sine wave, a serrated edge, etc.).If, for example, each material strip 521-523, 52a1-52a3, 52b1-52b6, 52c1-52c3, 52d1-52d3, 52e1-52e3 of the one or more material sheets 52, 52a, 52b, 52c, 52d, 52e3 is preformed to define a pattern (e.g., a sine pattern, a zigzag pattern, etc.), one or both of the first midsole portions 36, 36a, 36b, 36c, 36d, 36e and the second midsole portions 44, 44a, 44b, 44c, 44d, 44e surround, pass through, or surround and pass through each material strip 521-523, 52a1-52a3, 52b1-52b6, 52c1-52d3, 52e1-52e3 of the one or more material sheets 52, 52a, 52b, 52c, 52d, 52e. Injection molding of 2a1-52a3, 52b1-52b6, 52c1-52c3, 52d1-52d3, and 52e1-52e3 will result in one or two of the first midsole portions 36, 36a, 36b, 36c, 36d, and 36e, and the second midsole portions 44, 44a, 44b, 44c, 44d, and 44e forming a pattern (e.g., a sine pattern, a zigzag pattern, etc.) that corresponds to the pre-formed pattern of each of the one or more material strips 52, 52a, 52b, 52c, 52d, and 52e, namely 521-523, 52a1-52a3, 52b1-52b6, 52c1-52c3, 52d1-52d3, and 52e1-52e3.

[0217] The pattern (e.g., sine wave pattern, zigzag pattern, etc.) provided by any one of the first midsole portions 36, 36a, 36b, 36c, 36d, 36e and the second midsole portions 44, 44a, 44b, 44c, 44d, 44e contributes to improved performance of footwear articles 10, 10a, 10b, 10c, 10d, 10e when worn by a user. Furthermore, each material strip 521-523, 52a1-52a3, 52b1-52b6, 52c1-52c3, 52d1-52d3, 52e1-52e3, as one or more material pieces 52, 52a, 52b, 52c, 52d, 52e, is captured in the first midsole portions 36, 36a, 36b, 36c, 36d, 36e and the second midsole portions 44, 44a, 44b, ... The results between 44c, 44d, and 44e, and each material strip 521-523, 52a1-52a3, 52b1-52b6, 52c1-52c3, 52d1-52d3, and 52e1-52e3 of the one or more material pieces 52, 52a, 52b, 52c, 52d, and 52e3, may also contribute to the improved performance of footwear articles 10, 10a, 10b, 10c, 10d, and 10e.

[0218] In one example, the improved performance of footwear articles may be achieved by one or more properties of a selected material (e.g., 16, 36a, 36b, 36c, 36d, 36e), a first midsole portion 36, 36a, 36b, 36c, 36d, 36e, a second midsole portion 44, 36a, 36b, 36c, 36d, 36e ... (Stiffness) and the shape (e.g., pattern, amplitude A and / or frequency) of at least one of the material strips 521-523, 52a1-52a3, 52b1-52b6, 52c1-52c3, 52d1-52d3, 52e1-52e3 of the first midsole portions 36, 36a, 36b, 36c, 36d, 36e, the second midsole portions 44, 44a, 44b, 44c, 44d, 44e and the one or more material sheets 52, 52a, 52b, 52c, 52d, 52e. In one example, at least one of the pattern, amplitude A, and frequency may contribute to a desired amount of shear strength in one or more regions of the sole structures 14, 14a, 14b, 14c, 14d, 14e of footwear articles 10, 10a, 10b, 10c, 10d (e.g., forefoot regions 16, 16a, 16b, 16c, 16d, 16e, midfoot regions 18, 18a, 18b, 18c, 18d, 18e, and heel regions 20, 20a, 20b, 20c, 20d, 20e).

[0219] In some cases, shorter wavelengths, such as those defined by a sinusoidal or zigzag pattern, can result in improved shear strength of sole structures 14, 14a, 14b, 14c, 14d, and 14e in one or more regions of footwear articles 10, 10a, 10b, 10c, 10d, and 10e (e.g., forefoot regions 16, 16a, 16b, 16c, 16d, and 16e, midfoot regions 18, 18a, 18b, 18c, 18d, and 18e, and heel regions 20, 20a, 20b, 20c, 20d, and 20e). Furthermore, if, for example, each material strip 521-523, 52a1-52a3, 52b1-52b6, 52c1-52c3, 52d1-52d3, 52e1-52e3 of the one or more material sheets 52, 52a, 52b, 52c, 52d, 52e3 is a stretchable fabric, then the sole structures 14, 14a, 14b, 14c, 14d, 14e can produce improved shear stability, said one or more The multiple material pieces 52, 52a, 52b, 52c, 52d, 52e each material strip 521-523, 52a1-52a3, 52b1-52b6, 52c1-52c3, 52d1-52d3, 52e1-52e3 are captured between the first midsole portions 36, 36a, 36b, 36c, 36d, 36e and the second midsole portions 44, 44a, 44b, 44c, 44d, 44e. Therefore, in one example, in response to a shear load applied by the user's foot, each material strip 521-523, 52a1-52a3, 52b1-52b6, 52c1-52c3, 52d1-52d3, 52e1-52e3 of the one or more material sheets 52, 52a, 52b, 52c, 52d, 52e3 may be arranged under tension (caused by a selected pattern of the first midsole portions 36, 36a, 36b, 36c, 36d, 36e and the second midsole portions 44, 44a, 44b, 44c, 44d, 44e) to provide improved stability in one or a combination of the parallel load direction and the perpendicular load direction.

[0220] The following terms provide exemplary construction and manufacturing methods for the sole structure as described above.

[0221] Clause 1: A sole structure for footwear, the sole structure comprising: a first midsole portion including a first sidewall; a second midsole portion including a second sidewall; and a first piece disposed between the first midsole portion and the second midsole portion, and including a first surface and a second surface formed on a side of the first piece opposite to the first surface, the first piece including one or more holes extending from the first surface to the second surface through the first piece; wherein the first midsole portion and the second midsole portion are operatively connected through the one or more holes of the first piece.

[0222] Clause 2: The sole structure as described in Clause 1 further includes a second piece disposed between the first midsole portion and the second midsole portion.

[0223] Clause 3: The sole structure as described in Clause 2, wherein the second piece includes a third surface and a fourth surface formed on the side of the second piece opposite to the third surface.

[0224] Clause 4: The sole structure as described in Clause 3 further includes one or more holes that extend through the second piece from the third surface to the fourth surface.

[0225] Clause 5: The sole structure as described in any one of Clauses 2-4, wherein the second piece is spaced apart from the first piece along the first direction.

[0226] Clause 6: The sole structure as described in Clause 5, wherein the first direction is generally parallel to the longitudinal axis of the sole structure.

[0227] Clause 7: The sole structure as described in any one of Clauses 2-6, wherein each of the second and first pieces includes a longitudinal axis that is substantially perpendicular to the longitudinal axis of the sole structure.

[0228] Clause 8: The sole structure as described in any one of Clauses 2-6, wherein each of the second and first pieces includes a longitudinal axis formed at an angle relative to the longitudinal axis of the sole structure.

[0229] Clause 9: The sole construction as described in any one of Clauses 2-8, wherein the longitudinal axis of the first piece and the longitudinal axis of the second piece are substantially parallel to each other.

[0230] Clause 10: The sole structure as described in any one of Clauses 2-8, wherein the longitudinal axes of the first piece and the longitudinal axes of the second piece converge.

[0231] Clause 11: The sole structure as described in Clause 2, wherein the second piece contacts the first piece.

[0232] Clause 12: The sole construction as described in Clause 11, wherein the second piece crosses over the first piece.

[0233] Clause 13: The sole structure as described in Clause 1, wherein the first distal end of the first piece is visible at one of the inner side and the outer side of the sole structure.

[0234] Clause 14: The sole structure as described in Clause 13, wherein the second distal end of the first piece is visible at another location, on the inner side of the sole structure and on the outer side of the sole structure.

[0235] Clause 15: The sole structure as described in Clause 1, wherein the first distal end of the first piece extends from one of the inner side of the sole structure and the outer side of the sole structure.

[0236] Clause 16: The sole structure as described in Clause 15, wherein the second distal end of the first piece extends from another location, either the inner side of the sole structure or the outer side of the sole structure.

[0237] Clause 17: The sole structure as described in any of the preceding clauses, wherein the first distal end of the first piece is generally flat at one of the inner and outer sides of the sole structure, and the second distal end of the first piece is generally flat at the other of the inner and outer sides of the sole structure.

[0238] Clause 18: The sole structure as described in any one of Clauses 1-16, wherein the first distal end of the first piece comprises a sinusoidal shape at one of the inner side and the outer side of the sole structure, and the second distal end of the first piece comprises a sinusoidal shape at the other of the inner side and the outer side of the sole structure.

[0239] Clause 19: The sole structure as described in any one of Clauses 1-16, wherein the first distal end of the first piece includes a serrated shape at one of the inner side and the outer side of the sole structure, and the second distal end of the first piece includes a serrated shape at the other of the inner side and the outer side of the sole structure.

[0240] Clause 20: The sole structure as described in Clause 1, wherein each of the one or more holes has a length of at least 3.0 mm in its maximum dimension.

[0241] Clause 21: The sole structure as described in Clause 1, wherein each of the one or more holes has a minimum length of 1 mm in the minimum dimension.

[0242] Clause 22: The sole structure as described in Clause 1, wherein each of the one or more holes is a post-processing hole defined by removing material from the first piece.

[0243] Clause 23: The sole structure as described in Clause 1, wherein the first piece is woven, knitted, or braided for integrally defining each of the one or more holes.

[0244] Clause 24: The sole construction as described in Clause 1 also includes the outsole, which includes the ground contact surface.

[0245] Clause 25: The sole structure as described in Clause 24, wherein a first midsole portion is disposed between the outsole and the first piece.

[0246] Clause 26: The sole structure as described in Clause 1, wherein a first midsole portion defines at least one first contact area, a second midsole portion defines at least one second contact area, and the at least one first contact area contacts the at least one second contact area at the one or more holes.

[0247] Clause 27: The sole structure as described in Clause 1, wherein the first midsole portion and the second midsole portion are joined to each other at one or more of the holes.

[0248] Clause 28: The sole structure as described in Clause 1, wherein the materials of the first midsole portion and the second midsole portion are fused at the one or more holes.

[0249] Clause 29: The sole structure as described in any of the preceding clauses, wherein the first midsole portion includes a first surface in contact with the first piece, the second midsole portion includes a second surface in contact with the first piece, and each of the first surface of the first midsole portion and the second surface of the second midsole portion includes a plurality of surface features.

[0250] Clause 30: The sole structure as described in Clause 29, wherein each of the plurality of surface features has a minimum height or depth of at least 2 mm.

[0251] Clause 31: The sole structure as described in Clause 29, wherein each of the plurality of surface features has a minimum height or depth of at least 5 mm.

[0252] Clause 32: The sole structure as described in Clause 29, wherein each of the plurality of surface features has a maximum height or depth of less than 22 mm.

[0253] Clause 33: The sole structure as described in Clause 29, wherein each of the plurality of surface features has a maximum height or depth of less than 17 mm.

[0254] Clause 34: The sole structure as described in Clause 29, wherein the height or depth of each of the plurality of surface features ranges from about 2 mm to about 15 mm.

[0255] Clause 35: The sole structure as described in any of the preceding clauses, wherein the first midsole portion includes a first series of peaks and a first series of valleys, and the second midsole portion includes a second series of peaks and a second series of valleys.

[0256] Clause 36: The sole structure as described in Clause 35, wherein the first series of peaks are opposite to the second series of valleys, and the second series of peaks are opposite to the first series of valleys.

[0257] Clause 37: The sole structure as described in Clause 35, wherein the first piece conforms to the shape of the first series of peaks and the first series of valleys, and conforms to the shape of the second series of peaks and the second series of valleys.

[0258] Clause 38: The sole structure as described in any one of Clauses 35-37, wherein the first series of peaks, the first series of valleys, the second series of peaks and the second series of valleys cooperate to provide the first piece with a side surface having a sinusoidal or serrated configuration.

[0259] Clause 39: The sole structure as described in any of the preceding clauses further includes an adhesive disposed between the first midsole portion and the second midsole portion, the adhesive being applied to at least one of the first midsole portion, the second midsole portion, the first surface of the piece, and the second surface of the piece.

[0260] Clause 40: The sole structure as described in any of the preceding clauses, wherein the first piece comprises a mesh fabric that defines the one or more holes in the mesh structure.

[0261] Clause 41: The sole structure as described in Clause 40, wherein the length of the one or more holes is at least 0.5 mm in the maximum dimension.

[0262] Clause 42: The sole structure as described in Clause 40, wherein the length of the one or more holes is at least 1.0 mm in the maximum dimension.

[0263] Clause 43: The sole structure as described in Clause 40, wherein the length of the one or more holes is less than 10 mm in the maximum dimension.

[0264] Clause 44: The sole structure as described in Clause 40, wherein the length of the one or more holes is less than 5.0 mm at the maximum dimension.

[0265] Clause 45: The sole structure as described in Clause 40, wherein the length of the one or more holes is less than 3.0 mm at the maximum dimension.

[0266] Clause 46: The sole structure as described in Clause 40, wherein each of the one or more holes has a length of about 0.5 mm to about 3.0 mm in its maximum dimension.

[0267] Clause 47: The sole structure as described in any of the preceding clauses, wherein the first piece is a fabric constructed to be stretched along only one dimension.

[0268] Clause 48: The sole construction as described in any of the preceding clauses, wherein the first piece is a fabric stretched along two dimensions.

[0269] Clause 49: The sole structure as described in any of the preceding clauses, wherein the first piece is embroidered fabric.

[0270] Clause 50: The sole structure as described in Clause 49, wherein the embroidered fabric includes a first embroidered area and a second embroidered area, the first embroidered area having a different fiber concentration than the second embroidered area.

[0271] Clause 51: The sole structure as described in Clause 1, wherein the first piece includes embroidered areas arranged at discrete locations on the piece.

[0272] Clause 52: The sole structure as described in any of the preceding clauses, wherein at least one of the first midsole portion and the second midsole portion is formed of a polymer material having a foam structure.

[0273] Clause 53: The sole structure as described in Clause 52, wherein the polymer material having the foam structure is injection molded foam.

[0274] Clause 54: The sole structure as described in Clause 52, wherein the polymer material having the foam structure is extruded molded foam.

[0275] Clause 55: A footwear article comprising a sole structure as described in any of the preceding claims.

[0276] Clause 56: A method of manufacturing footwear articles, comprising: providing a sole structure as described in any one of Clauses 1-55; providing an upper for footwear articles; and attaching the footwear structure and the upper to each other to form footwear articles.

[0277] Clause 57: A method for manufacturing a sole structure for footwear, the method comprising: providing a first midsole portion including a first sidewall; providing a second midsole portion including a second sidewall; and positioning a first material sheet between the first midsole portion and the second midsole portion, the first material sheet including a first surface and a second surface formed on a side of the first sheet opposite to the first surface, the first sheet including one or more holes extending from the first surface to the second surface through the sheet; and connecting the first midsole portion and the second midsole portion through said one or more holes in the first sheet.

[0278] Clause 58: The method described in Clause 57 further includes positioning the second piece between the first midsole portion and the second midsole portion.

[0279] Clause 59: The method as described in Clause 58, wherein positioning the second piece includes setting the second piece having a third surface and a fourth surface formed on the side of the second piece opposite to the third surface.

[0280] Clause 60: The method as described in Clause 59 further includes providing one or more holes that extend through the second sheet from the third surface to the fourth surface.

[0281] Clause 61: The method described in any one of Clauses 58-60 further includes spacing the second piece apart from the first piece along the first direction.

[0282] Clause 62: The method as described in Clause 61, wherein spacing the second piece from the first piece along the first direction includes spacing the second piece from the first piece along a direction that generally extends with respect to the longitudinal axis of the sole structure.

[0283] Clause 63: The method described in any of Clauses 58-62 further includes providing a longitudinal axis for the second piece and the first piece, which is substantially perpendicular to the longitudinal axis of the sole structure.

[0284] Clause 64: The method described in any of Clauses 58-62 further includes providing a longitudinal axis for the second piece and the first piece, which is formed at an angle relative to the longitudinal axis of the sole structure.

[0285] Clause 65: The method described in any one of Clauses 58-62 further includes positioning the longitudinal axis of the first piece and the longitudinal axis of the second piece substantially parallel to each other.

[0286] Clause 66: The method described in any one of Clauses 58-62 further includes positioning the longitudinal axis of the first piece and the longitudinal axis of the second piece to converge with each other.

[0287] Clause 67: The method described in Clause 58 further includes arranging the second piece in contact with the first piece.

[0288] Clause 68: The method described in Clause 67 further includes making the second piece intersect with the first piece.

[0289] Clause 69: The method as described in Clause 57 further includes exposing the first distal end of the first piece at one of the inner side of the sole structure and the outer side of the sole structure.

[0290] Clause 70: The method as described in Clause 69 further includes exposing the second distal end of the first piece at another location, on the inner side of the sole structure and on the outer side of the sole structure.

[0291] Clause 71: The method as described in Clause 57 further includes extending the first distal end of the first piece from one of the inner side of the sole structure and the outer side of the sole structure.

[0292] Clause 72: The method as described in Clause 71 further includes extending the second distal end of the first piece from another location, either inside or outside the sole structure.

[0293] Clause 73: The method as described in any of the preceding clauses further includes providing a generally flat construction for the first distal end of the first piece at one of the inner side of the sole structure and the outer side of the sole structure, and providing a generally flat construction for the second distal end of the first piece at the other of the inner side of the sole structure and the outer side of the sole structure.

[0294] Clause 74: The method of any one of Clauses 57-72 further comprises providing a sinusoidal shape for a first distal end of the first piece at one of the inner side of the sole structure and the outer side of the sole structure, and providing a sinusoidal shape for a second distal end of the first piece at the other of the inner side of the sole structure and the outer side of the sole structure.

[0295] Clause 75: The method of any one of Clauses 57-72 further includes providing a serrated shape for a first distal end of the first piece at one of the inner side of the sole structure and the outer side of the sole structure, and providing a serrated shape for a second distal end of the first piece at the other of the inner side of the sole structure and the outer side of the sole structure.

[0296] Clause 76: The method as described in Clause 57 further includes providing each of the one or more holes with a length of at least 3.0 mm in maximum dimension.

[0297] Clause 77: The method as described in Clause 57 further includes providing each of the one or more holes with a minimum length of 1 mm in a minimum dimension.

[0298] Clause 78: The method as described in Clause 57 further includes forming each of the one or more holes by removing material from the first sheet.

[0299] Clause 79: The method as described in Clause 57, wherein positioning the first piece includes positioning a textile, knitted, or woven piece for integrally defining each of the one or more holes.

[0300] Clause 80: The method described in Clause 57 further includes providing an outsole that includes a ground contact surface.

[0301] Clause 81: The method described in Clause 80 further includes positioning the first midsole portion between the outsole and the first piece.

[0302] Clause 82: The method as described in Clause 57, wherein providing the first midsole portion includes providing a first midsole portion defining at least one first contact area, and providing the second midsole portion includes providing a second midsole portion defining at least one second contact area, the at least one first contact area contacting the at least one second contact area at the one or more holes.

[0303] Clause 83: The method as described in Clause 57 further includes joining the first midsole portion and the second midsole portion to each other at the one or more openings.

[0304] Clause 84: The method as described in Clause 57 further includes fusing the materials of the first midsole portion and the second midsole portion at the one or more openings.

[0305] Clause 85: The method as described in any of the preceding clauses further includes contacting a first surface of a first midsole portion with the first piece, and contacting a second surface of a second midsole portion with the first piece, each of the first surface of the first midsole portion and the second surface of the second midsole portion including a plurality of surface features.

[0306] Clause 86: The method as described in Clause 85 further includes providing each of the plurality of surface features with a minimum height or depth of at least 2 mm.

[0307] Clause 87: The method as described in Clause 85 further includes providing each of the plurality of surface features with a minimum height or depth of at least 5 mm.

[0308] Clause 88: The method as described in Clause 85 further includes setting each of the plurality of surface features to a maximum height or depth of less than 22 mm.

[0309] Clause 89: The method as described in Clause 85 further includes making each of the plurality of surface features less than 17 mm in maximum height or depth.

[0310] Clause 90: The method as described in Clause 85 further includes setting a height or depth for each of the plurality of surface features ranging from about 2 mm to about 15 mm.

[0311] Clause 91: The method described in any of the preceding clauses further includes providing a first series of peaks and a first series of valleys for the first mid-bottom portion, and providing a second series of peaks and a second series of valleys for the second mid-bottom portion.

[0312] Clause 92: The method as described in Clause 91 further includes aligning the first series of peaks with the second series of valleys, and aligning the second series of peaks with the first series of valleys.

[0313] Clause 93: The method as described in Clause 91 further includes conforming the first piece to the shape of the first series of peaks and the first series of valleys, and conforming the first piece to the shape of the second series of peaks and the second series of valleys.

[0314] Clause 94: The method of any one of Clauses 91-93 further includes providing a side surface having a sinusoidal or serrated configuration for the first piece.

[0315] Clause 95: The method as described in any of the preceding clauses further comprises positioning an adhesive between a first midsole portion and a second midsole portion, the adhesive being applied to at least one of the first midsole portion, the second midsole portion, a first surface of the sheet, and a second surface of the sheet.

[0316] Clause 96: The method as described in any of the preceding clauses, wherein positioning the first piece includes positioning a first piece comprising a mesh fabric that defines the one or more holes in a mesh structure.

[0317] Clause 97: The method as described in Clause 96 further includes providing each of the one or more holes with a length of at least 0.5 mm in maximum dimension.

[0318] Clause 98: The method as described in Clause 96 further includes providing each of the one or more holes with a length of at least 1.0 mm in maximum dimension.

[0319] Clause 99: The method as described in Clause 96 further includes providing each of the one or more holes with a length of less than 10 mm at its maximum size.

[0320] Clause 100: The method as described in Clause 96 further includes providing each of the one or more holes with a length of less than 5.0 mm at its maximum size.

[0321] Clause 101: The method as described in Clause 96 further includes providing each of the one or more holes with a length of less than 3.0 mm at its maximum size.

[0322] Clause 102: The method as described in Clause 96 further includes providing each of the one or more holes with a length of about 0.5 mm to about 3.0 mm in maximum dimension.

[0323] Clause 103: The method as described in any of the preceding claims, wherein setting the first piece comprises setting a first piece of fabric configured to be stretched along only one dimension.

[0324] Clause 104: The method as described in any of the preceding clauses, wherein setting the first piece includes setting a first piece of fabric configured to be stretched along two dimensions.

[0325] Clause 105: The method described in any of the preceding clauses, wherein setting the first piece includes setting the first piece as an embroidered fabric.

[0326] Clause 106: The method as described in Clause 105, wherein setting the embroidered fabric includes setting a fabric having a first embroidered area and a second embroidered area, the first embroidered area having a different fiber concentration than the second embroidered area.

[0327] Clause 107: The method as described in Clause 57 further includes providing embroidery areas for the first piece at discrete locations on the piece.

[0328] Clause 108: The method as described in any of the preceding clauses, further comprising at least one of a first midsole portion and a second midsole portion formed of a polymer material having a foam structure.

[0329] Clause 109: The method as described in Clause 108, wherein forming at least one of the first midsole portion and the second midsole portion from a polymer material having a foam structure includes incorporating injection-molded foam.

[0330] Clause 110: The method as described in Clause 108, wherein forming at least one of the first midsole portion and the second midsole portion from a polymer material having a foam structure includes incorporating extruded molded foam.

[0331] Clause 111: A footwear article comprising a sole structure as described in any of the preceding clauses.

[0332] Clause 112: A method of manufacturing footwear articles, comprising: providing a sole structure as described in any one of Clauses 57-111; providing an upper for the footwear articles; and attaching the footwear structure and the upper to each other to form the footwear articles.

[0333] The foregoing description of embodiments has been provided for purposes of illustration and description. It is not intended to exaggerate or limit this specification. Individual elements or features of a particular embodiment are generally not limited to that particular embodiment, but are interchangeable where appropriate and may be used in selected embodiments, even if not specifically shown or described. Individual elements or features of a particular embodiment may also be varied in many ways. Such variations should not be considered a departure from this specification, and all such variations are intended to be included within the scope of this specification.

Claims

1. A sole structure for footwear, said sole structure being attached to the upper of said footwear, the sole structure comprising: The first midsole portion includes the first sidewall and the top surface; The second midsole portion includes the second sidewalls and the bottom surface; The first strip is disposed between the top surface of the first midsole portion and the bottom surface of the second midsole portion, and includes a first surface and a second surface formed on the side of the first strip opposite to the first surface. and The second band is disposed between the top surface of the first midsole portion and the bottom surface of the second midsole portion, and includes a first surface and a second surface formed on a side of the second band opposite to the first surface. The second band is spaced apart from the first band along the longitudinal axis of the sole structure. Wherein, the width of the first band is greater than the width of the first midsole portion and the width of the second midsole portion, such that the first band extends beyond the first sidewall of the first midsole portion and the second sidewall of the second midsole portion, and / or Wherein, the width of the second band is greater than the width of both the first and second midsole portions, such that the second band extends beyond the first sidewall of the first midsole portion and the second sidewall of the second midsole portion; and, Wherein, at least a portion of the extension of at least one of the first and second straps is folded or extended upward adjacent to or along the following: (1) the first sidewall of the first midsole portion and the second sidewall of the second midsole portion, and (2) at least a portion of the inner and outer sides of the upper.

2. The sole structure according to claim 1, wherein, The first and second bands are substantially parallel to each other.

3. The sole structure according to claim 1 or 2, wherein, The first band and the second band each include a longitudinal axis that is substantially perpendicular to the longitudinal axis of the sole structure.

4. The sole structure according to claim 1 or 2, wherein, The first and second bands each include a longitudinal axis that extends substantially not perpendicular to the longitudinal axis of the sole structure.

5. The sole structure according to claim 1, wherein, At least one of the first strip and the second strip is formed of fabric.

6. The sole structure according to claim 5, wherein, The fabric is a mesh fabric.

7. The sole structure according to claim 5 or 6, wherein, At least one of the first and second belts includes a post-processing channel defined by material removal from at least one of the first and second belts.

8. The sole structure according to claim 7, wherein, The top surface of the first midsole portion is directly bonded to the bottom surface of the second midsole portion through the post-processing channel.

9. The sole structure according to claim 8, wherein, The top surface of the first midsole portion is bonded to the bottom surface of the second midsole portion via an adhesive through the post-processing channel.

10. The sole structure according to claim 1, wherein, The first distal end of at least one of the first and second straps is visible at one of the inner side and the outer side of the sole structure.

11. The sole structure according to claim 1, wherein, The first distal end of at least one of the first and second straps is generally flat at one of the inner and outer sides of the sole structure, and the second distal end of at least one of the first and second straps is generally flat at the other of the inner and outer sides of the sole structure.

12. The sole structure according to claim 1, wherein, The first distal end of at least one of the first and second straps comprises a sinusoidal shape at one of the inner side and the outer side of the sole structure, and the second distal end of at least one of the first and second straps comprises a sinusoidal shape at the other of the inner side and the outer side of the sole structure.

13. The sole structure according to claim 1, wherein, The first distal end of at least one of the first and second straps includes a serrated shape at one of the inner side and the outer side of the sole structure, and the second distal end of at least one of the first and second straps includes a serrated shape at the other of the inner side and the outer side of the sole structure.

14. The sole structure according to claim 1, wherein, The first mid-bottom portion includes a first series of peaks and a first series of valleys, and the second mid-bottom portion includes a second series of peaks and a second series of valleys, wherein the first series of peaks are opposite to the second series of valleys, and the second series of peaks are opposite to the first series of valleys.

15. The sole structure of claim 14, wherein the first band and the second band conform to the shape of the first series of peaks and the first series of valleys and conform to the shape of the second series of peaks and the second series of valleys.

16. A sole structure for footwear articles, said sole structure being attached to the upper of said footwear article, said sole structure comprising: The first midsole portion includes the first sidewall and the top surface; The second midsole portion includes the second sidewalls and the bottom surface; The first strip is disposed between the top surface of the first midsole portion and the bottom surface of the second midsole portion, and includes a first surface and a second surface formed on the side of the first strip opposite to the first surface. and A second strip is disposed between the top surface of the first midsole portion and the bottom surface of the second midsole portion, and includes a first surface and a second surface formed on the side of the second strip opposite to the first surface. The second strip intersects the first strip. Wherein, the width of the first band is greater than the width of the first midsole portion and the width of the second midsole portion, such that the first band extends beyond the first sidewall of the first midsole portion and the second sidewall of the second midsole portion, and / or Wherein, the width of the second band is greater than the width of both the first and second midsole portions, such that the second band extends beyond the first sidewall of the first midsole portion and the second sidewall of the second midsole portion; and, Wherein, at least a portion of the extension of at least one of the first and second straps is folded or extended upward adjacent to or along the following: (1) the first sidewall of the first midsole portion and the second sidewall of the second midsole portion, and (2) at least a portion of the inner and outer sides of the upper.

17. The sole structure according to claim 16, wherein, The first and second bands each include a longitudinal axis that extends substantially not perpendicular to the longitudinal axis of the sole structure.

18. The sole structure according to claim 16, wherein, At least one of the first strip and the second strip is formed of fabric.

19. The sole structure according to claim 18, wherein, The fabric is a mesh fabric.

20. The sole structure according to claim 18 or 19, wherein, At least one of the first and second belts includes a post-processing channel defined by material removal from at least one of the first and second belts.

21. The sole structure according to claim 20, wherein, The top surface of the first midsole portion is directly bonded to the bottom surface of the second midsole portion through the post-processing channel.

22. The sole structure according to claim 21, wherein, The top surface of the first midsole portion is bonded to the bottom surface of the second midsole portion via an adhesive through the post-processing channel.

23. The sole structure according to claim 16, wherein, The first distal end of at least one of the first and second straps is visible at one of the inner side and the outer side of the sole structure.

24. The sole structure according to claim 16, wherein, The first distal end of at least one of the first and second straps is generally flat at one of the inner and outer sides of the sole structure, and the second distal end of at least one of the first and second straps is generally flat at the other of the inner and outer sides of the sole structure.

25. The sole structure according to claim 16, wherein, The first distal end of at least one of the first and second straps comprises a sinusoidal shape at one of the inner side and the outer side of the sole structure, and the second distal end of at least one of the first and second straps comprises a sinusoidal shape at the other of the inner side and the outer side of the sole structure.

26. The sole structure according to claim 16, wherein, The first distal end of at least one of the first and second straps includes a serrated shape at one of the inner side and the outer side of the sole structure, and the second distal end of at least one of the first and second straps includes a serrated shape at the other of the inner side and the outer side of the sole structure.

27. The sole structure according to claim 16, wherein, The first mid-bottom portion includes a first series of peaks and a first series of valleys, and the second mid-bottom portion includes a second series of peaks and a second series of valleys, wherein the first series of peaks are opposite to the second series of valleys, and the second series of peaks are opposite to the first series of valleys.

28. The sole structure of claim 27, wherein the first band and the second band conform to the shape of the first series of peaks and the first series of valleys and conform to the shape of the second series of peaks and the second series of valleys.

29. A sole structure for footwear articles, the sole structure comprising: The first midsole portion includes the first sidewall, the top surface, the first series of peaks, and the first series of valleys; A second mid-bottom portion comprising a second sidewall, a bottom surface, a second series of peaks and a second series of valleys, wherein the first series of peaks are opposite to the second series of valleys, and the second series of peaks are opposite to the first series of valleys; A first band is disposed between the top surface of the first midsole portion and the bottom surface of the second midsole portion, and includes a first surface and a second surface formed on the side of the first band opposite to the first surface. The first band conforms to the shape of the first series of peaks and the first series of valleys and conforms to the shape of the second series of peaks and the second series of valleys. and The second strip is disposed between the top surface of the first midsole portion and the bottom surface of the second midsole portion, and includes a first surface and a second surface formed on the side of the second strip opposite to the first surface. The second strip conforms to the shape of the first series of peaks and the first series of valleys and conforms to the shape of the second series of peaks and the second series of valleys.

30. The sole structure according to claim 29, wherein, The first and second strips are substantially parallel to each other.

31. The sole structure according to claim 29 or 30, wherein, The first band and the second band each include a longitudinal axis that is substantially perpendicular to the longitudinal axis of the sole structure.

32. The sole structure according to claim 29 or 30, wherein, The first and second bands each include a longitudinal axis that extends substantially not perpendicular to the longitudinal axis of the sole structure.

33. The sole structure according to claim 29, wherein, At least one of the first strip and the second strip is formed of fabric.

34. The sole structure according to claim 33, wherein, The fabric is a mesh fabric.

35. The sole structure according to claim 33 or 34, wherein, At least one of the first and second belts includes a post-processing channel defined by material removal from at least one of the first and second belts.

36. The sole structure according to claim 35, wherein, The top surface of the first midsole portion is directly bonded to the bottom surface of the second midsole portion through the post-processing channel.

37. The sole structure according to claim 36, wherein, The top surface of the first midsole portion is bonded to the bottom surface of the second midsole portion via an adhesive through the post-processing channel.

38. The sole structure according to claim 29, wherein, The first distal end of at least one of the first and second straps is visible at one of the inner side and the outer side of the sole structure.

39. The sole structure according to claim 29, wherein, The first distal end of at least one of the first and second straps is generally flat at one of the inner and outer sides of the sole structure, and the second distal end of at least one of the first and second straps is generally flat at the other of the inner and outer sides of the sole structure.

40. The sole structure according to claim 29, wherein, The first distal end of at least one of the first and second straps comprises a sinusoidal shape at one of the inner side and the outer side of the sole structure, and the second distal end of at least one of the first and second straps comprises a sinusoidal shape at the other of the inner side and the outer side of the sole structure.

41. The sole structure according to claim 29, wherein, The first distal end of at least one of the first and second straps includes a serrated shape at one of the inner side and the outer side of the sole structure, and the second distal end of at least one of the first and second straps includes a serrated shape at the other of the inner side and the outer side of the sole structure.

42. The sole structure according to claim 29, wherein, The first band is spaced apart from the second band along the longitudinal axis of the sole structure.

43. The sole structure according to claim 29, wherein, The second strip intersects with the first strip.

44. The sole structure according to claim 29, wherein, The first series of peaks, the first series of valleys, the second series of peaks, and the second series of valleys work together to form a serrated pattern.

45. The sole structure according to claim 29, wherein, The first series of peaks, the first series of valleys, the second series of peaks, and the second series of valleys work together to form a sine pattern.

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