Ausangate Alpacor Ski Socks for Men 85% Alpacor/ 13% Nylon/ 2% Spandex Imported Soft terry throughout the sock body provides buffering against hard ski boots Cushioned leg, sole and instep for supreme comfort. Instep and ankle compression bands prevent socks from bunching up inside boots. Soft, generous cuff keeps socks in place. Flat toe seam. Machine wash and dry alpaca fiber socks.