The RPHA 91 is HJC's new modular touring helmet that was engineered for all-day comfort. The new Premium Integrated Matrix EVO shell (P.I.M. EVO) provides enhanced shock-resistant performance and is lightweight by using reinforcement materials that include carbon-aramid, carbon fibre, glass fibre, organic non-woven fabric, and linen fibre (natural fibre).Premium Integrated Matrix / P.I.M EVO shell construction features reinforcement materials including Carbon-Aramid Hybrid and Natural Fibre, provide enhanced shock-resistant performance, more comfort and lightness of the helmet.Aerodynamic designed shell reduces air resistance & provides stability at high speed.Full front-to-back airflow with an impressive 5 intakes at the front of the helmet and 7 exhausts at the rear ensures ventilation covers all areas within the helmet..Pinlock Ready HJ-37 Visor provides 99% UV protection and features an anti-scratch coated.Quick, simple and secure visor (shield) ratchet system. Smooth ratchet movem