The primary materials that compose this product contain a minimum of 20 percent recycled content. Keep your feet lightweight with the super soft Smartwool(R) Run Targeted Cushion Ankle Socks 3-Pack that help to work. Crew length socks. Sold in a pack of three. Smartwool(R) fit system features ankle and arch braces the help ensure you get a secure fit. Features a more narrow profile thats perfect for a womans foot. 4-Degree(TM) Elite Fit System construction uses two elastics to provide better stretch and to keep your sock in place. Ultra-light cushioning provides maximum performance with minimal cushioning to works well in close-fitted shoes. Virtually Seamless(TM) toe is designed for all day comfort and to minimize chaffing. Flat toe seam is designed to prevent chafing. 56% wool, 29% recycled nylon, 12% nylon, 3% elastane. Machine wash, tumble dry.