Stance Men's Sith Socks 47% Nylon, 44% Polyester, 5% Cotton, 4% Spandex Imported Machine Wash 2" high 4" wide Moisture-wicking fibers and graduated compression Air channel cushioning with anatomical fit Anatomical venting thermos regulation Reinforced toe and heel for maximum durability Fit no. 448 the compression crew, fine knit, medium cushion, active secure support