Off-road MX and Enduro helmet with lightweight thermo-injected shell and advanced impact-mitigation technologies.
Engineered for MX, Enduro and off-road use, the SM3 Helmet combines comfort, ease of use and high-impact performance. 🏍️
Thermo-injected shell uses a special polymer blend with variable thickness to balance lightweight construction and impact protection.
Alpinestars patented low-friction coating on the main EPS liner reduces rotational acceleration from oblique impacts.
The slip-plane layer mimics cerebrospinal fluid to help mitigate forces from angled impacts.
Patented visor release system releases at a predetermined force to help reduce neck loads during an impact.
Maximized ventilation with 10 inlets and 7 exhaust ports for efficient heat transfer and airflow.
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