Classic EquineKnee Boot 2Attaches to Top of Splint Boot or Polo WrapSuperb ProtectionRemains in PlaceDouble Layered NeopreneHook-and-Loop ClosuresCKB2BK The Classic Equine Knee Boot 2 attaches to the top of the splint boot or polo wrap for stability. Innovative design offers superb protection and remains securely in place. Double layered neoprene for extra protection. Secures quickly and easily with hook-and-loop closures.