Professional's Choice® VenTECH™ Slide-Tec Skid BootsSuperior quality and comfort equipped with VenTECH technology Extends lower to cover the pastern and the bulb of the horses heel Keeps dirt from penetrating the boot and causing burns during stops and turns Ventilated limestone based neoprene conforms to your horses leg Strong, yet flexible to ensure optimum protection of the entire fetlock area Padded leather patch protection on the inside of the fetlock and cannon bone Recessed threads on skid cups