Atomic Revent JuniorWe all know how fearless kids can be which is why the Atomic Revent JR helmet comes with Atomics top safety technology built in. The Holo Core features an extended crumple zone thats optimized for shock absorption. In fact, it goes beyond industry standards by up to 30%. The last thing kids need on the slopes is distraction, so the 360 Fit System adapts the helmet to the exact head size of your childs head. And then theres the Aircon Venting system,