Knowing that racing requires a different approach than off-road riding, UFO asked the top racers around the world and with their feedback produced the most modern, lightest offroad chest guard made today. The Reactor is not only the best fitting chest guard it is the lightest weighing in at only 1.3 lbs. The Reactor also incorporates the new "FLEX" system allowing the chest guard to tilt to give unparallel comfort and mobility. Fully ventilated with many vents and air channels to keep you cool. Designed for riders that are looking for protection without the bulk and excess weight. A new dual injection molding process using the best polypropylene available, the Reactor is rigid and strong yet with the "FLEX" system movement is not restricted, backed with a molded impact resistant bio-foam for safety. With the new UFO Reactor there is no compromise.