Alpinestars SM3 Heat Helmet — XL, Red

The SM3 Heat Helmet is engineered for motocross (MX), enduro and off-road use, featuring innovations optimized for ease of use, comfort and impact performance. 🚵‍♂️

Its thermo-injected shell incorporates a special polymer blend with varying thickness to deliver an optimal combination of impact protection and light weight.

An Alpinestars-patented low-friction coating is applied to the inner expanded polystyrene liner to reduce rotational acceleration from oblique impacts, mimicking the brain's cerebrospinal fluid. 🧠

The visor features a patented release system that ensures correct pre-determined release force to reduce neck loads during an impact.

Ventilation is maximized with 10 inlets and 7 exhaust ports for efficient heat transfer and airflow.

Shell composition includes acrylonitrile-butadiene-styren, polyurethane, expanded polystyrene and other engineered materials for controlled energy management.