Hilly Twin Skin Regular (Mens)Blistering is a thing of the past with Hilly's ever popular Twin Skin sock. A dual layer sock ensures material does not rub against the foot, eliminating the key cause of blistering. The inner layer is designed to wick sweat effectively away from the foot, keeping it dry. An elastic band around the midfoot provides support to the arch, and with all seams on the outside of the sock blistering really is eliminated! This is a brilliant sock for something