Lemieux Impact Responsive Gel Brushing Boots BlackBrushing boots with enhanced ventilated protection The lightweight, impact resistant shell is anatomically shaped to support the fetlock and tendons. Rear and side ventilation panels help dissipate built up heat. Air enters through the lower vents, circulates around the tendons, and rises toward the upper extraction vent. The integrated Impact Responsive Gel absorbs energy and impact from jumping, and protects against knocks on landing and in turns.