Spend the day feeling light and comfortable wearing the Smartwool Run Targeted Cushion Ankle socks. 4-Degree 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. Utilizes lightweight cushioning at the shin and sole of the foot to provide warmth and a little impact absorption. Mesh panels on the out step help provide added breathability. 54% wool, 32% recycled nylon, 11% nylon, 3% elastane. Machine wash, tumble dry. Imported.