85% Cotton, 10% Nylon, 5% Spandex. Like our footwear, our socks collections are handmade in Italy to the most exacting standards, produced exactly as 40 years ago with 12 by-hand steps to finish the reinforced toe and heel. Finely loomed with hundreds of needles using only the highest quality cotton, wool and specialty yarns. All socks are mid-calf length.