The Comfort Cup Gaiter is a form of gaiter built into the back of the boot to caress and protect the soft tissue at the rear of your horses hoof. Supple and resilient, the Comfort Cup is anatomically designed to flex with each step and hug the back of the pastern.... (read more) Because the gaiter is independent of the upper, it virtually eliminates the risk of rubbing. The Comfort Cup Gaiter is incorporated into the rear of the boot for the latest technology in protection and support of the soft tissue areas. The lightweight upper stabilizes the boot on the hoof. The hind snug strap reassures security. Quick and easy to put on and take off with little strength required.