Nike Dri-FIT Fly Rise Crew Athletic Socks SX4862-960 3 Pair 39% Nylon/34% Cotton/24% Polyester/3% Spandex Imported Machine Wash Dri-FIT fabric to wick sweat away and help keep feet dry and comfortable Dynamic arch bridge for a supportive, compression fit Left/right specific for enhanced fit Fabric: Dri-FIT 50% polyester/27% nylon/21% cotton/2% spandex