Women's Hiker Full Cushion Boot SocksThe Darn Tough Full Cushion Hiker delivers comfort that won't quit and durability for the long haul. There's nothing like twelve gnarly miles with an 80 lb. pack to get you thinking about a sock that delivers more in the cushioning department. Material 69% Merino Wool, 27% Nylon, 4% Lycra Spandex Length Sits mid calf for added protection and warmth. Details: High density cushioning throughout the entire sock for full on comfort and performance.