Wigwam 40 Below II Socks F2034. This product is made of a blend of 38% Wool, 33% Stretch Nylon, 26% Rayon, 2% Stretch Polyester, 1% Spandex these Wigwam socks provide breathable, durable heat. With a knit that is half Wool and half Stretch Nylon, this is one sock that would not back down in the face of frosty temperatures.
