Features LIGHTWEIGHT PROTECTION Stone shield constructed with energy dispersing molded panels / Level 1 back protector constructed to reduce impact energy transmission SUPPORT Adjustable elastic torso strap with ratcheting buckle closure Strategically placed ventilation ports for maximum cooling Soft chassis liner molded for maximum comfort Supports Back Strap Kit and ID Panel, sold separately (M/L only) Stone shield tested and certified according to European Standard EN 14021:2003 Back protector tested and certified according to European Standard EN 1621-2:2014