Stance Men's Tidal Low Ankle Sock 43% Polyester, 25% Nylon, 21% Elastane, 11% Cotton; 41% Polyester, 26% Nylon, 17% Spandex, 10% Cotton, 6% Elastane Imported Machine Wash Anatomically correct fit Seamless toe closure and toe venting Fit no. 257 the athletic low Deep heel pocket and dry low-gore seam