Our Fair Trade Alpaca Socks are crafted in Peru and are the best things to have on your feet when it gets cold. Much softer and less allergenic than wool, but twice as warm and not as thick so you don’t need to struggle to get your shoes on over them. They wick to keep your feet from getting sweaty. Alpaca socks should be machine washed in cold water and tumble dry on low. These alpaca socks are made with 43% Alpaca, 34% Acrylic, 23% Nylon and 2% Spandex. Medium fits shoes sizes 5-9 and Large fits shoe sizes 10-13.