Alpinestars SM3 Heat Helmet ECE06/DOT

Engineered for MX, Enduro, and off-road riding, the SM3 Helmet integrates advanced technologies and innovations designed to enhance ease of use, comfort, and impact protection.

• Thermo-injected shell with variable thickness polymer blend delivers superior impact protection in a lightweight 1430g (ECE) design.
• Strategically placed 10 inlets and 7 exhaust ports ensure maximum airflow and heat dissipation for all-day riding comfort.
• Patented low-friction inner liner reduces rotational acceleration forces from oblique impacts, emulating the brain’s natural cerebrospinal fluid protection.
• Integrated hydration tube channels and customizable spare crown and cheek pads allow a personalized fit with a recycled-material comfort liner.
• Meets ECE 2206 and DOT certification standards with enhanced chin reinforcement, emergency cheek pad release system, and secure stainless steel D-ring closure. Meets Federal Motor Vehicle Safety Standard 218 (FMVSS 218).