's are the perfect midweight over the calf for everyday . Features extra cushioning for comfort, fast action wicking that pulls moisture away from the skin and are made in a performance fit for no slipping, no bunching and no blisters. Great for wearing them with ,, and snowboard boots. Covered by 's lifetime warranty: No strings, no conditions, for life. 50% nylon, 47% merino wool, 3% lycra spandex, machine wash.