Garment Liner Pouch Design for Chafing Reduction
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Solution Overview
Problem
Conventional running shorts and garment liners for men suffer from discomfort due to friction and chafing between the genitalia and inner thighs, limited freedom of movement, and the potential for the genitalia to slip out, with existing solutions either constricting or failing to provide adequate support.
Innovation Solution
A garment design featuring an outer shell with a liner that includes a first and second panel coupled by a seam positioned near the perineum, a third panel forming a pouch between the first and second panels, and an opening for inserting genitalia, which allows natural positioning and support while preventing slipping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional liners are used to provide support for male genitalia, then support is provided, but the genitalia contact and stick to the inner thigh causing chafing and discomfort
Solution Approach 1:
The liner is divided into multiple functional panels: a first panel forming the main body, a second panel forming a pouch separated from the first panel, and a third panel forming a barrier between the pouch and the inner thigh. This segmentation isolates the genitalia in the second panel from direct contact with the inner thigh, preventing chafing while maintaining support.
Solution Approach 2:
The third panel acts as an intermediary barrier positioned between the second panel (containing genitalia) and the inner thigh. This intermediate layer prevents direct harmful contact while allowing the liner to maintain its support function.
2Reliability
If compression shorts are worn to provide support, then support is improved, but the genitalia are constricted extremely close to the body increasing contact with inner thighs
Solution Approach 1:
The liner creates spatial separation through segmented panels, placing genitalia in an isolated pouch (second panel) that is physically separated from the inner thigh contact area. This segmentation provides support without the extreme constriction of compression shorts that causes increased thigh contact.
Solution Approach 2:
The design moves the genitalia into a three-dimensional pouch space formed by the second panel, rather than constraining them flat against the body as compression shorts do. This dimensional change reduces contact pressure with the inner thigh while maintaining support.
3Ease of operation
If liners are designed to allow natural positioning, then comfort is improved, but the genitalia may slip out of the liner
Solution Approach 1:
The first panel is designed with a specific configuration that preliminarily guides and directs the genitalia into the second panel pouch before movement occurs. The seam configuration and panel geometry pre-establish the correct positioning, preventing slippage while allowing natural movement within the pouch.
Solution Approach 2:
The liner panels are designed with dynamic characteristics that adapt to movement. The pouch in the second panel allows natural positioning and movement of genitalia, while the overall panel construction and seams maintain containment, providing both freedom of movement and prevention of slippage.
4Reliability
If seams are positioned to provide support, then support is improved, but the seams dig into the genitalia causing discomfort
Solution Approach 1:
The seams that provide structural support are extracted from the area that contacts the genitalia. The first seam is positioned at the interface between panels to provide support, while the second panel pouch is constructed to eliminate seam contact with the genitalia themselves, removing the harmful digging effect.
Solution Approach 2:
Different areas of the liner have different seam configurations optimized for their local function. The first panel has seams for structural support, while the second panel pouch has seamless or minimally-seamed construction in areas that contact the genitalia, providing local quality differentiation that avoids discomfort.
Data Source
AI summary
A garment includes an outer shell with a liner coupled to the outer shell and arranged inside the outer shell. The liner includes a first panel and a second panel coupled to the outer shell. The first panel and the second panel are coupled to each other at a first seam positioned at an interface between the first and second panels. The first seam is configured to be located proximate a perineum of a user. A third panel is coupled to the second panel at the first seam and to the first panel at a second seam. The first panel and the third panel cooperate to define a pouch with an opening through the panel and leading into the pouch to allow a user to insert their genitalia into, and be supported by, the pouch.