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Patent drawing for Waterproof/breathable, moisture transfer, soft shell Alpine boots, and snowboard boots, insert liners and footbeds
US 7,314,840 B2
Materials US 7,314,840 B2 Expired

Waterproof/breathable, moisture transfer, soft shell Alpine boots, and snowboard boots, insert liners and footbeds

This invention describes a specialized multi-layered liner for boots and other gear designed to keep feet dry and comfortable. It uses a breathable material bonded to a unique foam and nonwoven fiber composite, which is then flocked with a blend of hollow synthetic and silver fibers. A more advanced version also includes chemically ionized materials and phase change materials for temperature regulation.

Why it matters: Since 2006, advancements in textile engineering and material science have made specialized components like phase change materials, advanced nonwovens, and complex fiber blends more accessible and cost-effective for integration into performance apparel.

Status
ExpiredProtection ended and was never renewed
How hard to build
SpecializedCustom material composites, specialized manufacturing processes.

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