Fabric - 70% Combed Cotton 19% Polyester 9% 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., Arch support, Terry Loop In Forefoot, Heel and Toe For CushioningCondition - New Style demands fluidity and the Stance Boyd ST is a jack of all trades. Show off this classic look in all the comforts of combed cotton, a timeless number that's ready to become a staple in your every day wardrobe rotation. Now featuring Stance's ultra-durable Infiknit technology, more than up to any task.