Wigwam Men's Outlast Weather Warrior Socks, Olive, Sock Size:10-13/Shoe Size: 6-12 40% Acrylic, 23% Olefin, 18% Nylon, 17% Wool, 1% Spandex, 1% Nylon Made in US Machine Wash Us manufactured quality Utilizes outlast fibers to balance foot temperature Fully cushioned with tall stay put leg Long wearing heel and toe Great with rubber boots