Men's Casual Fun Circles and Squares Combo Crew Socks Grey and Black 2-Pack 25% nylon 62% Rayon, 25% Nylon, 9% Polyester, 2% Rubber, 2% Spandex Premium quality socks Sock Size 10 - 13, Shoe Size 6.5 - 12 Made in China Fast & Free Shipping from US: No minimum required