SockGuy Wool socks are made from 75% IsolWOOL, that's five times the strength and durability of Merino wool alone. Shrink-resistant and itch-free. Features: 75% Isowool (50% Merino wool and 50% polypropylene), 15% nylon, 10% spandex Shrink-resistant and itch-free Easy-fit cuff Stretch-to-fit, 2-size system



