RSG Hosiery Men's & Women's Toe Socks 4-Pack 4 Pairs included. One Size Fits: Women's Shoe Size 4-10 & Men's 5-9. Depending on your shoe size they will fit longer or shorter toward the calf. Machine Wash Gentle cycle, Tumble Dry, Use non chlorine bleach when neccessary 95% Acrylic - 5% Spandex