Top quality Deluxe Hock Boots are made with long lasting dense neoprene padding with nylon lining These unique boots are formed for proper fit to protect the hocks from stall sores used during shipping or to reduce swelling Sure fit design will eliminate the need for bandaging while cloth hook and eye fasteners provide snug secure fit Bound edges and seam reinforcement adds extra strength and durability Specifications. Material Neoprene Nylon