For Bare Feet NBA 4 Stripe Deuce Crew Men Socks Officially Licensed NBA Product 83% Acrylic/14% Polyester/2% rubber/1% Spandex 1 Pair. Large-Fits men's shoe sizes 10-13. Medium-Fits shoe sizes 5-10. Machine Washable White Sock Material (75% Acrylic/22% Stretch Nylon/3% Spandex)