From the Fox River Peak series of socks, the lightweight Fox River Velox LX Ankle Sock is made from soft Tencel for top performance on any active adventure. Tencel and NanoGlide fibers reduce moisture build up and nearly eliminate friction that can lead to hot spots and blisters. And, Helix Fit forms to your foot to support your every move. Memory knit construction throughout, so socks keep their form, wash after wash. Spandex compression zones add support and keep sock in place, all day long. Helix Fit Volumetric compression forms to your foot with zone specific features that enhance your comfort. Vented panels remove moisture and keep you dry. Reinforced toe and heel add comfort and extend product life. Special cushioned areas for shock absorption and insulation. 45% nylon, 19% Tencel, 19% polyester, 14% NanoGlide nylon, 3% spandex. Made in USA.