New Balance LC3 with Coolmax Sock Polyester 37% / Coolmax Polyester 30% / Cotton 28% / Nylon 3% / Lycra Spandex 2% Imported 54% Coolmax Polyester, 41% Cotton, 4% Nylon, 1% Lycra Spandex CoolMax Extreme Moisture Management Dirt Defender Foot Bottom with Comfort Toe 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