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 Anti-Microbial 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)