Designed developed after several years of focused efforts and crucial feedback from top world class athletes in MotoGP. HJC's top engineers went to work and created a race-bred helmet that is truly worthy of top race circuits around the world. The RPHA 1 is the very same model used by HJC's world-class athletes in both MotoGP and WorldSBK, and HJC is set to finally launch it into full production with FIM homologation (FRHPhe-01) - the safety certification. MotoGP™ spec helmet - FIM Certified - same as worn by MotoGP™ racers. P.I.M. Plus (Premium Integrated Matrix Plus) reinforcement materials, including carbon and carbon-glass hybrid fabric. Aerodynamic shell design. Five intake, four exhaust vents. "ACS" Advanced Channeling Ventilation System. Pinlock®-ready, anti-scratch, HJ-35 shield. Easy attachment system allows tool-less shield replacement.