It's an underrated layer, but it's just as important as the rest. Make sure your feet are comfortable. Nike 6 Pack Cotton Crew Socks features: Arch support and stretchy fabric allows for a snug, comfortable fit. Reinforced heel and toe add durability in high-wear areas. Crew silhouette covers your ankle and lower calf.  Thick terry sole offers optimal grip for a locked-down style. Machine wash. 76% cotton/19% polyester/4% nylon/1% spandex. Imported.