ERT System (Energy Reduction Technology) Patented 4mm layer of lightweight polymer material dissipates both linear and rotational impact energy Conehead Technology 21 Cooling Vents Easy position Visor angle CRV (Crash Release Visor) System 7iDP Rear Dial Adjuster with adjustable mounting points AGION AntiMicrobial Liner TF (Through Flow) Goggle Ventilation Fidlock Magnetic Closure Meets CE, CPSC, AS Standards Sizes: XS/S, M/L, XL/XXL Weight: 402g +/10g (M/L)