Hanes Men's FreshIQ ComfortBlend Crew Socks (Pack of 6) White: polyester/cotton/rubber/spandex/other; Black: polyester/cotton/rubber/spandex/other Imported ComfortBlend closure 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