The HJC RPHA 91 helmet is crafted from Premium Integrated Matrix/P.I.M. EVO, combining carbon-aramid hybrid materials with natural fibers for reduced weight, enhanced comfort, and improved impact resistance. Its aerodynamic design features five intake and seven exhaust vents for optimal fresh air circulation. The helmet comes with a Pinlock-prepared HJ-37 visor that offers 99% UV protection and an anti-scratch coating. A three-stage adjustable sun visor is included, and a dark tinted visor is pre-installed. The interior consists of antibacterial fabric with removable and washable head and cheek pads. It meets the ECE 22.06 safety standards, making it a high-quality option for riders seeking superior protection and comfort.