These socks from Buffalo Gold are made from a luxurious blend of Bison, Silk, Cashmere and Tinsel. They are the perfect gift for a man or woman. Here at the shop we each have a pair and let me tell you, they are fantastic! These socks will continue to get even softer with wash and wear. These socks are easy to care for, just machine wash warm and tumble dry low. Fiber Content- 45% Bison/ 20% Silk/ 20% Cashmere/ 15% Tencel