OS1st Unisex TA4 Thin Air No Show Socks Size:L 200 g Primaloft® microfiber inlay

200 g Primaloft® microfiber inlay fleece insulates the foot for exceptional warmth

a bulky hiking boot can feel like overkill

plus two adjustable straps with metal pin buckles

Double-layer rib knit construction

Part of Vionic tried-and-true Tide Heritage Collection

OS1st Unisex TA4 Thin Air No Show Socks Size:L 200 g Primaloft® microfiber inlayOS1st TA4 Thin AirTM Performance Socks feature never before applied technology to keep your feet cool and protected during any activity. Created using 200n medical grade machinery and materials we are able to build in comfort, durability and blister protection, yet with the thinnest upper foot profile ever made. The "Thin SkinTM" construction with uniquely positioned lift bars, maximizes air flow achieving a cooling sensation to your feet. Targeted