Fabric - 41% combed cotton, 38% nylon, 18% polyester, 3% elastane (may vary with color), Recommended - Machine Wash in 40 °C / 104 °F. Avoid Bleaching or Ironing the socks. Socks will last longer if you keep them out of the dryer., Targeted Cushioning for added comfort, Engineered Arch Support stabilizes your swing in styleCondition - New The new collection of Marvel socks are here just in time to save the day. Featuring Spider-Man, Iron Man and Captain America, these super heros are ready to stop all evil in their tracks. Whether you're into slinging webs, super solider traits, or suits of steel Stance got something for every fan to flaunt.