Designed with 8 air intakes that maximize internal airflow through outflow channels providing exceptional helmet breathability. Lightweight polypropylene HD external shell with exponential better performance. Excels in impact absorption, especially at lower temperatures (-30C). Resists yellowing and degradation. Features D-core technology, an internal shell with a low-density inner core optimized for protection from top impacts. Durable, high density inner shell component that provides stronger side impact absorption, inner core protection and is easy to clean. Adaptive fit system integrates 3 components for all-day comfort. Double diameter dial allows for easier size adjustments. Ergonomic side wings ensure a fast and secure fit against the back of the head. Patented self-adaptive live hinge is the latest self-adjusting fit technology that moves as the wearer moves. Click-in system with patented inner padding attachment system that enhances padding durability, replacement and removal. Advanced composite fabric integrated with hydrocool moisture-wicking technology and exceptionally soft textiles for enhanced user comfort infused with a deodorizing silver ion treatment. New eco-leather chinstrap designed with new rear adjustment points for a more personalized fit. Color-coded fastener indicates meeting EN 12492 standard. Side regulator point on chinstrap for adjustment and positioning for a more tailored fit. Chinstrap loop enables the wearer to securely attach the helmet to a harness or other items. Front attachment point for advanced customization and easy integration of accessories such as badge holders and headlamps. Includes cap cover for debris protection. 4 removable nylon external lamp attachment clips that hold corded earplugs Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.