The Warmbac double lined neoprene long socks come up quite high on the calf to give greater levels of warmth and comfort. These are great for wearing on caving trips where you may be wading through lots of water. The longer cut comes up high on the calf and will give great levels of extra warmth and comfort, especially when worn in wellington boots. The socks feature a 3d cut for a great fit and the sole unit is also reinforced under the ball of the foot and also the heal for greater durability.