Unisex Red and Black Knitted Over the Calf Knee High Socks Polyester, spandex Turn socks inside out before washing. Wash in warm water. DO NOT BLEACH. Fabric softener recommended. Tumble dry on medium heat. Do not iron. Luxuriously Soft and Comfortable One Size Fits Most (Men's 5 - 10, Women's 6 - 11). Super Comfortable 22" Long 98% Polyester, 2% Spandex