Outer: 97% Acrylic, 2% Spandex, 1% Rubber; Inner: 100% Polyester. Keep your feet toasty with the super soft design with this pair of Women's Premium Cozy Thermal Non-Skid Socks. Extra fuzzy and cozy for when its cold. Slip-resistant grip technology on the soles. Non-constricting opening for comfort. Color: Snow Flake