Men's Merino Wool Sock 6 Pair Gray Warm Thermal Sport Dress Hiking Camp Sz 10-13 Thermo-insulated, keeps heat close to the body Reinforced for extended wear, Heel forms naturally Stay-up performance top, Stretchable for more comfort Extra cushioning & arch support, &gt;68% Merino Wool, 15% Cotton, 10% Polyester, 7% Elastic They make you look Cool Too!