The RPHA 1N was designed and 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 1N 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 the prestigious FIM safety homologation. Plus (Premium Integrated Matrix Plus) Reinforcement Materials, Including Carbon and Carbon-Glass Hybrid Fabric. 5 intake, 4 ...