HJC RPHA 91 Modular Helmet Carbon Elig MC5Premium Integrated Matrix P. I. M. EVO (Reinforcement materials including Carbon Aramid Hybrid and Natural Fiber provide enhanced Shock Resistant performance) Aerodynamic design shell reduces air resistance and provides stability at high speed Full front to back airflow, 5 intakes and 7 exhausts Pinlock Ready HJ 37 Shield Quick, Simple and Secure Visor Ratchet System Adjustable 3 step sunshield (HJ V12) for optimized position Dark Smoke Sunshield