Fabric - 58% Combed Cotton, 38% Nylon, 4% Elastane, Seamless toe closure, Silicone Gripper in the Heel For No Slip, Terry Loop In Forefoot and Toe For CushioningCondition - New Stance likes to think these run the Gamut from cloudy to clear, encompassing the full spectrum of human emotion. Not too bad for humble pair of no-show socks. Product care, 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.