SM3 Helmet - Radium - Matte Gray/Black/Yellow Fluo - Small
The Alpinestars SM3 Helmet Radium features a versatile shell construction with varied thicknesses designed to deliver optimal impact protection while maintaining a lightweight profile. Crafted for motocross, enduro, and offroad applications, this helmet combines advanced materials with innovative engineering to ensure rider safety and comfort. The thermo-injected shell utilizes a polymer blend with varying thicknesses, providing a tailored balance of impact absorption and weight reduction. The impact-resistant outer shell is made from durable thermoplastic, while the inner shell incorporates a composite fiber layer positioned between the outer shell and EPS liner for enhanced protection against impacts. This layered construction helps absorb and distribute energy during a crash, offering superior safety for demanding offroad activities.
Features:
- Varied thickness shell construction for optimized protection and lightweight design
- Thermo-injected shell with polymer blend and varying thicknesses for impact absorption
- Impact-resistant thermoplastic outer shell for durability
- Composite fiber inner shell for maximum impact protection
- Adjustable crown and cheek pads for a personalized fit
- Six-piece EPS liner with five densities to manage impact forces effectively
- Polished EPS liner with friction-reducing coating for rotational impact management
- Engineered surfaces to minimize oblique impact damage
- High airflow ventilation system with ten inlets and seven exhaust ports
- Visor designed to direct airflow and equipped with a release system to ensure safe detachment
- Eco-friendly comfort liner made from recycled materials
- Integrated hydration tube channels in cheek pads for convenience
- Soft textile chin strap for optimal safety and comfort
- Emergency Release System and removable cheek pads for easy removal during emergencies
- 3D contoured foam padding for enhanced rider comfort
- Chin area optimized for superior impact performance
- Stainless steel D-rings for a secure fit