Carter's Baby-Boys Newborn 3 Pack Rib Crew Socks 70% Cotton 20% Poly 7% Nylon 2% Rubber 1% Spandex Includes - 3 pairs of socks. Socks have a soft elastic top to help keep them on your little ones feet. Socks have non-skid bottoms. Baby socks are cute enough to wear alone or inside shoes. Socks coordinate with a large variety of outfits.