7 idp tactic knee powered by boa technology protected by curv and our proprietary foams the tactic is our premium knee protector features x profile cap for narrow profile fit curv low weight high strength 1mm cap for superior fit and pedal motion features an internal floating knee socket to allow pedalling whilst exterior pad stays in position double layer polygon perforated custom foam to increase air flow and reduce weight boa system provides an even tension throughout the pad with the