New Balance Women's 3 Pack Core Cotton Quarter Socks White = 63% Cotton, 30% Polyester, 5% Nylon, 2% Lycra Spandex, Black = 66% Cotton, 32% Nylon, 2% Lycra Spandex Imported Smooth, seamless toe to minimize irritation Strategic cushioning around heel and toe helps with shock absorption Reinforced heel and toe for added durability Stability Fit built in for enhanced arch support