6 Pair Pack New Balance Women's NS6 Expression Sock Polyester 94% / Nylon 4% / Spandex 2% Imported 97% Polyester, 2% Spandex, 1% Nylon Lightning Dry Moisture Management Breathable Mesh Venting 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