s m 3 heat h ece 6Expertly designed for MX and off road performance, the S M3 Heat Helmet is Alpinestars' advanced solution for riders seeking lightweight protection and superior heat management. Featuring a thermo injected shell and a patented low friction liner, it is rigorously tested to ECE 22. 06 standards to minimize rotational impact forces. This ventilated helmet includes integrated hydration tube channels and an emergency release system for enhanced rider