The World's Smallest, Lightest, Quietest, Sportiest Flip-Front Helmet. Extremely light, quiet and comfortable modular helmet. Advanced P.I.M. Carbon Fiber, Aramid and Fibreglass: Remarkably strong shell and extremely lightweight. One-Touch integrated sunshield Optically superior Pinlock-prepared 3D face shield. Pinlock 100% Max vision anti-fog lens included. ACS - Advanced Channelling ventilation system. Rapid-fire shield replacement system.