New Balance Crew Core Cotton Socks (4-Pack) Cotton 78% / Nylon 18% / Polyester 2% / Spandex 2% Imported 82% Cotton, 13% Polyester, 4% Nylon, 1% Spandex Lightning Dry Moisture Management Full Cushion with Comfort Toe Seam 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. Pakistan