Fabric - 66% combed cotton, 17% polyester, 15% nylon, 2% 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., Engineered Arch Support stabilizes your swing, Targeted Cushioning for added comfortCondition - New Because no one told you life was going to be this way...clap, clap, clap, clap. Join Ross, Rachel and the rest of the gang down at Central Perk as Stance pays homage to the classic 1995 sitcom - FRIENDS.