Fox River's ski socks put blister-free comfort inside your ski boots... and double the warmth, thanks to wicking Thermolite® and all-natural wool. Special knit panel around heel keeps socks in place. Cushioned shin pad Thermalined foot, sole and toeSmooth looped toe seamsMidweightOver-the-calf height50% Thermolite® polyester, 27% wool, 22% stretch nylon, 1% Lycra®Closeouts. USA.Size: M(5-8½) L(9-12) XL(13-15)