Chimney structures for apparel

This invention describes clothing, like shoes or socks, that has built-in channels, called chimneys, to help air circulate. These elastic channels are designed to pull heat and sweat away from the body, keeping the wearer cooler and drier. The patent focuses on an elastic structure with multiple chimneys integrated into a foot covering or liner.

Why it matters: Advanced 3D knitting and textile manufacturing techniques now allow for more precise and cost-effective creation of integrated, elasticized chimney structures directly into apparel.

Status: ExpiredProtection ended and was never renewed
How hard to build: ModerateCustom textile structure, elastic materials

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