Fabric - 61% Combed Cotton 14% Polyester 22% Nylon 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., Engineered Arch Support stabilizes your swing in style, Infiknit™ technology never rips, never tears. Made for good.Condition - New Who lives in a pineapple under the sea? Sponge Bob Square Pants! These 'Imagination Bob' socks are fun and are a must have.