This invention describes a piece of clothing designed to be waterproof and breathable. It achieves this by combining several layers: an inner layer of breathable polypropylene or polyester fabric, and a second layer of open-cell, anti-microbial foam that is hydrophilic and mechanically bonded to a moisture-absorbing material.
Why it matters: Since 2010, advancements in polymer science and textile manufacturing have improved the performance and cost-effectiveness of specialized foams and bonding techniques for layered technical fabrics.
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