HJC Rpha 31 Dereen Helmet The HJC Rpha 31 Helmet merges adaptability and convenience for urban riders. Equipped with a tool-free removable Hj-39 faceshield, it offers versatility whether you prefer a breeze on your face or protection from the sun with its internal drop-down visor. The helmet provides flexibility to either ride with the faceshield flipped up or keep it securely in place, catering to various preferences and needs with ease. Features: D.o.t. Approved Premium 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, 2 intakes and 4 exhausts Pinlock Ready Hj-39 face shield Quick, Simple and Secure Visor Ratchet System Visor deflector decreases noise level and wind turbulence Visor Holder reduces noise & drag forces and holds visor tight Adjustable 3-step sunshield (Hj-V12) Dark Smoke Sunshield Installed Interior with advanced anti-bacterial fabric provides enhanced moisture wicking and quick dry function Removable/washable crown and cheek pads Ready for 21B and 50B Bluetooth (sold separately)