New Balance Elite Marl Deluxe LC 1 Sock 76% Polyester, 11% Cotton, 11% Nylon, 2% Spandex Lightning Dry Moisture Management Seamless Toe with Y heel pocket hold Machine was warm with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not iron. Do not dry clean. Do not use fabric softener or dryer sheets. China