The Alpinestars Supertech family of helmets was 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 with the lightest possible weight, without compromising on any other aspect. Its design features a smooth, attractive, aerodynamic profile that is streamlined and free of external channels or features that could act as a load point during an impact or compromise the helmet's structural integrity. The surface curvature is designed to reduce friction upon impact, allowing for deflection and efficient energy transfer to protect the rider's head from direct force and referred impact to the neck and spine. This helmet weighs 1260g for a size Medium (1310g with side padding and 1370g with visor extension) and features a Double D closure. It meets ECE 22.06 standards.