Description
The Alpinestars SM3 Radium Helmet is engineered for MX, Enduro, and Offroad riders seeking premium protection and comfort. Its lightweight thermo-injected shell combines a polymer blend with varied thickness for optimal impact absorption. The multi-density EPS liner, featuring a low friction coating, helps manage rotational impact forces. Comfort is enhanced by a removable, eco-friendly liner, integrated hydration tube channels, and maximized ventilation through ten inlets and seven exhaust ports. The visor is designed to promote airflow and includes a quick-release system to minimize neck strain during impacts. DOT and ECE 22.06 certified, the SM3 Radium Helmet includes an Emergency Release System for safe pad removal and stainless steel D-rings for a secure fit.
Key Features:
- Thermo-injected shell with composite fiber and impact-resistant thermoplastic
- Multi-density EPS liner with low friction coating
- Maximized ventilation: 10 intake and 7 exhaust ports
- Eco-friendly, removable comfort liner
- Hydration tube channels in cheek pads
- Emergency Release System for cheek pads
- DOT and ECE 22.06 certified
- Stainless steel D-rings for secure fit
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