No drill sergeant can outmatch this sock! Soft fibers wrap the foot in comfort. All over cushioning that absorbs the daily bumps & jolts. Our exclusive Wick Dry technology keeps feet dry while our URfit System provides support. Sizing: Medium (Shoe Sizes: Men’s 6-8.5; Women’s 7-9.5); Large ( Shoe Sizes: Men’s 9-11.5; Women’s 10-12.5), X-large( Men’s 12-14.5).