HJC Rpha 72 Ernem Helmet Elevating premium performance, the HJC Rpha 72 Helmet is engineered for riders seeking an aggressive stance on touring and a high level of speed stability. It features a lightweight, aerodynamically optimized PIM EVO shell, enhanced airflow for cooling and a refined fit for all day comfort. The helmet's advanced visor, sun shield and ventilation upgrades signify a sophisticated progression in the Rpha series, ensuring a superior riding experience. Shell: A high-performance sport touring helmet with a strong emphasis on sport Appreciable aerodynamic refinements over its Rpha 70 and Rpha 71 predecessors - with vents open or closed Borrows some of the windtunnel advancements achieved in the Rpha 12N helmet development True to size, intermediate oval head shape with some added roominess around the cheeks Riders focused on sport may want to increase cheek pad thickness Decent amount of space at the cheeks though, something to keep an eye on for going to thicker pads Premium Integrated Matrix EVO composite shell Redesigned shell reduces drag and noise 3 shell & 4 EPS liner design Shield: Pinlock Ready Hj-48 Visor Hj-V12 Dynamic Multi-Step internal sun visor Ventilation: Advanced Channeling Ventilation System Interior: Moisture-wicking liner with semi-neck roll design for better noise control Emergency cheek pad release system Bluetooth Compatibility: Smart HJC ready , designed to seamlessly integrate with the 21B and 50B Bluetooth communication systems Safety: Certified to DOT and ECE 22.06 standards Titanium double D-ring