Alpinestars S-M3 Radium Motocross Helmet Red Fluo White

The S-M3 helmet is designed for MX, Enduro and Off-road use, and features a host of technologies and innovations optimized for ease of use, comfort and impact performance.

The patented visor release system ensures that the visor is released with the correct amount of predetermined force, effectively reducing the forces on the rider's neck during an impact.

Technical Data Sheet:

Main Features

• Maximized ventilation and high levels of heat exchange thanks to 10 air intakes and 7 exhaust ports.

Protection

• ECE-2206 approval
• The S-M3 helmet complies with ECE 2206 approval for worldwide use.
• Alpinestars’ patented low-friction liner is applied to the inside of the main EPS liner to reduce rotational acceleration forces that can result from certain oblique impacts.
• This layer essentially acts as a glide surface to mimic the brain's low-friction cerebrospinal fluid, which is the body's natural defense against oblique impacts.
• This lightweight helmet features a thermo-injected shell incorporating a special blend of polymers enhanced by varying degrees of thickness, designed to offer the optimal combination of impact protection and lightness.