Expertly designed for the S-M3 helmet series, this Radium Visor is an official Alpinestars replacement part engineered for off-road performance. The high-quality plastic construction features a specialized radium coating to ensure superior optical clarity and glare reduction in diverse motocross conditions. This replacement visor provides a precise fit and maintains safety standards for all-year riding. Includes: one S-M3 Radium ECE06 Visor.