New Balance Unisex 3 Pack No Show Core Cotton Socks White = 69% Cotton, 26% Polyester, 4% Nylon, 1% Lycra Spandex & Black = 71% Cotton, 27% Nylon, 1% Lycra Spandex, 1% Olefin Imported Stability Fit built in for enhanced arch support 3 pairs per package Lightning Dry moisture management technology quickly moves sweat so your feet stay cool and dry Soft ring spun Cotton Comfort Materials: White: 69% Cotton, 26% Polyester, 4% Nylon, 1% Lycra Spandex. Black: 71% Cotton, 27% Nylon, 1% Lycra Spandex Stability Fit Arch Support & Hold Soft Ring spun Cotton Comfort Lightning Dry Moisture Management Reinforced Heel & Toe and Half Cushion Stay-Put Fit