Material: White/Pink: 61% Acrylic, 18% Nylon, 15% Repreve Polyester, 5% Polyester, 1% Spandex; White/Grey: 61% Acrylic, 16% Polyester, 15% Repreve Polyester, 6% Nylon, 2% Spandex. Care: Machine Wash. Shoe Size: 6-10.