Protect horses' legs during travel. Hard outer shell over the hoof with padded interior. Front boots extend from above the knee to the hoof and secure with hook-and-loop straps, allowing for mobility around the knee and external protection. Hind boots extend from above the hock to the hoof and secure with hook-and-loop straps, with two large crossover straps at the top. Set of 4. Sizes: Medium, Large.