The Alpinestars Supertech family of helmets is engineered to be the most advanced, protective, and performance-enhancing helmets for riders worldwide. The S-M10 offers an optimal balance of ventilation and comfort, achieving the lightest possible weight without compromising on any aspect. Its design features a smooth, attractive, and aerodynamic profile, free from external channels or elements that could act as impact load points or compromise structural integrity. The surface curvature is designed to reduce friction during impact, facilitating deflection and efficient energy transfer to protect the rider's head from direct force and transmitted forces to the neck and spine. This helmet is ECE 22.06 certified and weighs approximately 1260g for a size Medium (1310g with side padding, 1370g with visor extension). It includes a Double D closure.