Hanes Boys Label Cushion Crew 10 pair, Black ,Medium Small:Cotton/polyester/natural latex rubber/spandex; Medium and Large: Cotton/polyester/natural latex rubber/nylon Made in USA or Imported Small:Cotton/polyester/natural latex rubber/spandex Medium and Large: Cotton/polyester/natural latex rubber/nylon Durable reinforced heel and toe. Reciprocated heel and toe provides a better fit. EZ Sort sock matching system with the Hanes logo on the toes makes sorting socks so much easier.