The Right hock boot without hole has 3 Velcro closures. The inside is lined with cotton (50%) and polyester (50%), while the outside of the boot is made of neoprene. To prevent any slipping, we recommend bandaging the leg with a stable bandage or using the Back on Track Royal Stable Boot (art.: 2031). This reduces the risk of the hock boot slipping down or being pulled too tight to keep it in place. The boot is also available with a hole (Right art.: 2025. Left art.: 2026). Available for Right and/or Left (art.: 2016) in S, M, L, XL. S 37-29 cm M 41-32 cm L 44-36 cm XL 47-40 cm