Alpinestars - Supertech M10 Carbon Helmet - TeamDesigned and developed for Professional MotoGP athletes where going faster and being protected is the goal. By minimizing drag and ensuring optimal aerodynamic stability, air management outside and inside of the helmet, and a comfortable, customizable fit, the S R10 enhances the overall experience in racing and sport riding. The Supertech R10 is the Pinnacle of Alpinestars racing helmets. Outer Shell: Molding technology: multi composite combination