HJC RPHA 91 Semi-Flat Helmet

P.I.M. (Premium Integrated Matrix Plus) EVO shell. Antibacterial interior. Distortion-free HJ-37 shield provides clear and wide view. HJ-V12 3-step integrated sunshield is adjustable for optimized position. 2-way pivot chin bar reduces wind noise and air drag, and offers a more compact profile in the up position. 2nd generation Smart HJC Bluetooth ready. Maximum performance top and low vents. Curved 3D visor and ratchet reduces air turbulence and noise. Ventilation system provides maximum air circulation, cooling, and defoing. Neckroll system offers reduction of wind noise.