Thor 27010863 | Features Innovative, press-fit molded comfort liner system Adjustable waist buckle closure system Back protector constructed to reduce impact energy transmission Stone shield chest panel constructed with energy-dispersing molded panels Strategically placed ventilation ports for maximum cooling Refined fit for maximum deflector coverage Bio-Foam shoulder pads with fully integrated, adjustable straps system for proper fitment Adjustable suspension shoulder guards with molded comfort liner .