The HJC RPHA 91 helmet boasts a P.I.M. (Premium Integrated Matrix Plus) EVO shell that offers superior protection. Its antibacterial interior ensures your comfort and health. The distortion-free HJ-37 shield provides a clear and wide view, while the HJ-V12 3-step integrated sunshield is adjustable for optimal positioning. The 2-way pivot chin bar reduces wind noise and air drag, and offers a more compact profile when raised. The 2nd generation Smart HJC Bluetooth® ready feature allows for easy connectivity. The helmet also features top and low vents for maximum performance, a curved 3D visor and ratchet to reduce air turbulence and noise, and a ventilation system to provide maximum air circulation, cooling, and defogging. The neckroll system offers a reduction of wind noise. Overall, this helmet is a top choice for anyone looking for comfort, quality, and performance.