3 Pairs Men's Knee-High Dress Socks 70% Combed Cotton / 26% Nylon / 4% Spandex Material: 70% Combed Cotton / 26% Nylon / 4% Spandex. Knee-high socks. The smooth, light socks, wash-resistant sheen and makes them really comfortable. The socks 100% non-irritating to the skin and allergy-tested. Premium Combed Cotton feels ultra-soft, inside and out.