Fabric - 62% Nylon, 28% Polyester, 7% Cotton, 1% Polyurethane, 1% Elastic, 1% Lulex, 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 The Stance Feel 360 - American QTR Socks features Feel 360™ and Infiknit™ to power every stride or workout. From all-day comfort to lifetime guaranteed durability, keep your goals on track, starting from the ground up while repping the greatest country.