Functional fetlock boot that helps improve hind end performance. • Semi Rigid-PU™- Anatomic dual density shell provides the highest level of protection while allowing for freedom of movement and providing maximum support and ultimate comfort. • Lycra® Lined Neoprene: Comfort padding with shock absorption• AquaShell™-Provides waterproof protection and will not absorb moisture. • EZCare™- Easily hand washable in cold water. • Quick-Release Tip™ Allow extremely fast yet secure hooking and unhooking with one hand.