Heavy weight wool/nylon Blend. Unisex. Fully cushioned. These are made to protect the feet and toes from extreme cold weather. They are great for both wearing inside the house or for outdoor activities in the cold. Extreme comfortable fit. 1x1 mock rib welt top. Extra smooth reverse toe closure. Boot length is proportional to its size. Sock sold in pairs. Black Wigwam 40 deg below socks. This product is GSA Compliant.