Description:- The S-M3 Helmet is engineered for MX, Enduro and Off-road use featuring innovations and technologies optimized for ease of use, comfort and impact performance.
- Shell construction featuring a thermo-injected shell incorporating a special polymer blend enhanced by varying degrees of thickness, engineered to deliver optimal combination of impact protection and light weight.
- Alpinestars patented innovative low friction coating is applied to inner part of the main EPS liner to reduce rotational acceleration forces that can result from certain oblique impacts.
- This layer acts as a slip plane to mimic the brain's own low friction cerebrospinal fluid, which is the body's natural defence against oblique impacts.
- Patented visor release system ensures visor release with correct pre-determined force, effectively reducing the forces on the neck during an impact.
- Maximised ventilation and high levels of heat transfer exchange thanks to 10 inlets and 7 exhaust ports.
Specifications summary:
Brand: ALPINESTARS
Vendor Part Number: 8300726-9510-XS
Base Color: Gray
Finish: Matte
Color/Finish: Black, Gray, Yellow
Features: Vented
Gender: Unisex
Model: SM3 Radium
Product Name: Helmet
Shell Material: ABS
Size: XS
Size Group: Adult
Type: Off-Road, MX
Units: Each
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