Stance's Icon No Show Socks are fashion icons. Keep your 'fit clean with these Dark Royal ones that sit below your shoe line. Lightweight cushioning and a combed cotton blend provides maximum comfort. Unisex sock No show sock Light cushioning Sits below shoe line Deep heel pocket Engineered arch support Seamless toe closure 55% combed cotton, 41% nylon, 4% elastane Small = Women 5-7.5 Medium= Men 6-8.5 / Women 8-10.5