Functional fetlock boot that helps improve hind end performance. Double Ventilation System releases heat build-up by channeling the heat away from the horse's leg.• 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.• AEROX-Vented neoprene lining provides the highest level of ventilation.• 3D Ducted Mesh: Channels heat away.• AquaShell-Provides waterproof protection and will not absorb moisture.• Replaceable Velcro Straps- Tested and guaranteed for 5000 hooking/unhooking cycles.• EZCare- Easily hand washable in cold water.Made in Italy.