Veredus Olympus Vento Fetlock Boot BlackHind fetlock boot designed for show jumping, offering double ventilation and compliant with FEI regulations. The heat generated by the horse's limb passes through the micro perforated neoprene layer and is then distributed through the ventilated 3D mesh fabric Cool air enters through the air intake and directs heat upward toward the outlet grille. Ventilation is therefore both horizontal and vertical. Protection of the fetlock joints on the hindlegs