Introducing the new XTREME Airmax Helmet. With it's state-of-the-art (advanced resin technology) polycarbonate shell and incredibly plush CoolMax® removable liner, it represents the perfect balance between style, comfort and performance. As the name implies, with a combined total of eight intake and exhaust vents, it is engineered to transfer the maximum amount of cool air. Exceeds SNELL M2005 and DOT safety standards.