Compression Garment with Differential Pile Zones

The patent applies local quality by creating distinct zones with different pile heights within the same garment. Specific body regions receive higher pile coverage for increased insulation, while other areas maintain lower pile for breathability. This is achieved through selective placement of pile yarns during the knitting process, allowing differential thermal properties in different spatial locations without requiring entirely different fabric constructions.

The garment combines multiple yarn types with different properties: pile yarns for insulation, smooth yarns for compression and breathability, and elastomeric yarns for elasticity. These composite materials are integrated into a single knit fabric structure, allowing the garment to simultaneously provide compression support and variable thermal insulation through the synergistic combination of different material properties.

The patent implements local quality by varying the elastomeric yarn content and pile yarn placement in different zones of the garment. This creates region-specific compression characteristics tailored to anatomical needs (higher compression in muscle groups, lower in joint areas) while maintaining a seamless knit construction that can be produced in a single continuous manufacturing process, thus preserving ease of manufacture.

The garment is segmented into multiple compression zones with different elastic properties, each targeting specific body regions. This segmentation is achieved through programmed variations in yarn feed rates and needle selection during circular knitting, allowing different compression levels in different areas without requiring separate garment pieces or post-manufacturing assembly.

The patent utilizes porous materials by creating a pile structure that traps air within its fibrous matrix. The raised pile surfaces form numerous small air pockets that act as thermal insulators, reducing heat transfer between the skin and external environment. This porous structure is generated through the knitting process using pile yarns that protrude from the fabric surface, creating an effective thermal barrier without requiring additional insulating layers.

The patent transitions from a two-dimensional flat fabric to a three-dimensional structured surface by creating raised pile regions. This dimensional change adds vertical depth to the fabric structure, allowing the material to provide thermal insulation through air trapping in the elevated pile zones while maintaining the fundamental flat knit construction for manufacturing simplicity.