Lightweight off‑road helmet engineered for comfort, ventilation and enhanced impact protection.
The SM3 Helmet is engineered for motocross, enduro and off‑road use, featuring innovations optimized for ease of use, comfort and impact performance. 🏁
The thermo‑injected shell uses a special polymer blend with varied thickness to balance lightweight construction and impact protection.
An Alpinestars patented low‑friction coating on the inner EPS liner reduces rotational acceleration from oblique impacts, acting as a slip plane similar to cerebrospinal fluid. 🧠
The patented visor release system releases with predetermined force to help reduce neck loads during an impact.
Maximized ventilation delivers high heat transfer with ten inlets and seven exhaust ports for effective airflow. 🌬️
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