STANCE Men's Run Endeavor Tab Sneaker Sock 45% Nylon, 45% Polyester, 6% Cotton, 4% Spandex Imported Machine Wash 2" high 4" wide Moisture-wicking fibers Air channel cushioning with anatomical fit Anatomical venting thermos regulation Reinforced toe and heel for maximum durability Fit no. 248 the run tab, fine knit, medium cushion, active secure support