Darn Tough Men's Mountaineering OTC Heavyweight With Full CushionFor optimal warmth and performance in cold weather, the Mountaineering sock is a must have. With a streamlined fit and high quality Merino Wool, these socks keep you comfortable and moving forward even in challenging terrain. Height: OTC Weight: Heavyweight Pair with: Mountaineering boots, hiking boots, winter boots Men's over the calf socks average 17 in. from heel to cuff expect them to cover the leg to just below the knee. A performance fit means