The Knox Aegis Back Protector is a level 2 back protector that offers the largest coverage over the back.CE certified to the Motorcycle Back Protector Standard EN1621-1 -2014 Level 2 and passes tests to +40C and -20C making it suitable for extreme high and low temperatures.Multi activity back protector for riders of motorcycles and other sports, ski, mountain bike and snow board.Flexible sliding spine protection moving freely over the shock absorbing honeycomb, ensuring maximum coverage.The Aegis has a superior air ventilation system.Open cell technology for superior air flow to keep riders cool.Extra EVA foam on the inside for added performance.Multi position waist strap system to give the best individual fit.Extra side adjustment straps give a more secure fit against the spine.Quick release soft shoulder straps can cross over for increased comfort. They also give a fitting system for an optional Knox CE Approved Chest protector.Removable breathable liner made from spacer fabric for e