The Alpinestars Supertech M10 Solid Helmet is engineered to offer the perfect blend of excellent ventilation, unsurpassed comfort, and the lightest weight possible without compromising on protection. Its design features a smooth, attractive, aerodynamic profile that is streamlined and free of external channels that could increase impact load or compromise structural integrity. The helmet's surface curvature is designed to reduce friction during impacts, promoting deflection and efficient energy transfer to protect the rider's head from direct force and referred forces to the neck and spine. The helmet weighs approximately 1260g for a size Medium and meets ECE 22.06 standards. It features a Double D closure.