Feet-uring some of our most iconic designs, these mid-length socks will have you exploring the wild in comfort on every adventure. Made for activity - outdoors, on a hike, at the gym, or at camp. Moisture-wicking and venting to keep your feet dry. Reinforced heel + toe. Seamless design helps prevent irritation. 360-degree arch support for all-day comfort and performance. 65% nylon, 28% polyester, 7% elastic. This isn't your average outdoor gear... together we pick up one pound of trash for every product sold. Sizing. S/M. M/L. Women: 5-9. Women: 10-13. Men: 4-7. Men: 8-12