Wigwam Men's At Work 3-Pack Crew Socks White: 86% Cotton, 9% Stretch Nylon, 3% Spandex, 2% Polyester; Black: 44% Polyester, 42% Cotton, 13% Stretch Nylon, 1% Spandex Grey: 67% Cotton, 22% Polyester, 10% Stretch Nylon, 1% Spandex Made in US Medium Weight No Odor Durable Cushioned Sole