From first light to quitting time, Wigwam's At Work Crew wear like iron while keeping your feet cushioned in comfort. "Soon To Be New and Improved" White: 76% Cotton, 23% Polyester, 1% Spandex; Black: 55% Polyester, 44% Cotton, 1% SpandexGrey: 69% Cotton, 30% Polyester, 1% Spandex No Odor Durable Cushioned Sole