BasePro 1/4 featured The World's First Insulated Knit

The World's First Insulated Knit Sock

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and everyday cold-weather use

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BasePro 1/4 featured The World's First Insulated KnitThe BasePro 1 4 Zip brings precision temperature control to your cold weather layering system. Engineered with AERIS 250 insulated, 4 way stretch fabric, this piece regulates core warmth while allowing full freedom of movement. The 1 4 zip adds easy venting for high output activities or changing conditions. Moisture wicking and antimicrobial, it keeps you dry, warm, and fresh even in tough environments. Replaces 24 traditional layers Ditch the bulk