Ride with confidence- keep optimal safety in mind with the all new Impact Protector panel. Ultra-light and supremely flexible to move with the twists and turns of the trail. Designed specifically to be used with select Camelbak hydration packs Lightweight materials unparalleled protection without the weight penalty Extremely flexible design contours to back and moves with you for all day comfort Withstands multiple impacts Meets or exceeds CE1621-2 Level 2 impact protection.