New Balance Women's NBx LC1 Women's Sock nylon 54% Nylon, 43% Olefin, 3% Spandex Lightning Dry Moisture Management Antimicrobial with a seamless toe, left/Right technology and Strategic cushioning stike zone 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