Alpinestars S-M3 Radium Motocross Helmet, red/white, size 2XL (63/64)

Alpinestars S-m3 Radium Off-road Helmet. Conquer any off-road terrain with the ALPINESTARS S-M3 Radium helmet. Designed for MX, Enduro, and general off-road use, this helmet blends superior protection, lightweight construction, and exceptional comfort. Its thermo-injected shell features varying thicknesses for optimized impact absorption. Advanced EPS liners with multiple densities and a low-friction coating manage impact forces, including rotational ones. Maximize airflow with 17 ventilation ports and a strategically designed visor. The emergency release system and integrated hydration channels enhance safety and rider convenience. Crafted with comfort liner made from recycled materials and a soft textile chin strap, it offers a secure, personalized fit for peak performance. SM3 Radium Helmet.- Varied thickness shell construction for optimized protection and light weight.- Optimized for MX, Enduro, and Offroad use.- Delivers blend of performance, protection, and comfort.- Key Features