New Balance Low Cut Poly Core Socks (6-Pack) polyester 95% Polyester, 3% Nylon, 2% Spandex Lightning Dry Moisture Management Comfort Toe Seam with Y Pocket Heel Fit 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