Hanes Men's FreshIQ ComfortBlend Liner Socks (Pack of 6) White: 96% Polyester, 2% Rubber, 1% Spandex, 1% Nylon; Black: 97% Polyester, 1% Rubber, 1% Spandex, 1% Nylon Imported Machine Wash Extra reinforced heel and toe Fresh IQ advanced odor protection technology attacks odor-causing bacteria in your clothing to help you feel fresh all day Stay up top Spandex throughout for a superior fit Comfort toe seam -- our smoothest toe seam