New Balance Unisex 3 Pack Low Cut Core Cotton Socks White = 71% Cotton, 25% Polyester, 3% Nylon, 1% Lycra Spandex & Black = 71% Cotton, 27% Nylon, 1% Lycra Spandex, 1% Olefin Imported Stability Fit Arch Support & Hold Lightning Dry moisture management technology quickly moves sweat so your feet stay cool and dry Reinforced heel and toe for extra durability and protection Stability Fit Arch Support & Hold Soft Ring spun Cotton Comfort Lightning Dry Moisture Management Reinforced Heel & Toe and Half Cushion Stay-Put Fit