98% Polyester, 2% Spandex Imported Pull On closure Machine Wash Calvin Klein Men's No-Show Cushion Sneaker Liner Socks are well crafted to move with you. No-slip construction hugs your foot softly and keeps the sock from traveling around inside your shoe. Easy matching for quick dressing in the morning or changing after practice. Affordable multipack lets you stock up on these fashionable name-brand socks without spending a lot of money. Easy to clean; simply machine wash and dry.