Description
The Alpinestars SM3 Solid Helmet is designed for MX, Enduro, and off-road riders who demand the perfect balance of performance, protection, and comfort. Its thermo-injected polymer blend outer shell is engineered with varied thickness for lightweight strength, while the composite fiber inner shell between the EPS liner and outer shell enhances impact protection.
This helmet features a multi-density 6-piece EPS liner designed for targeted impact absorption, along with a polished surface and special low-friction coatings that help manage rotational impact forces. Ventilation is maximized with ten intake and seven exhaust ports, aided by a visor designed to channel airflow directly into the helmet. The visor also includes a release system engineered to reduce neck strain during impacts.
For rider comfort, the inner comfort liner is constructed using recycled materials, and hydration tube channels are integrated into the cheek pads. The 25mm soft textile chin strap and stainless steel D-rings ensure a secure fit. Safety is enhanced with an Emergency Release System and removable cheek pads for safe helmet removal during accidents. DOT certification and ECE 22.06 homologation provide verified safety compliance for on- and off-road use.
With optimized impact performance in the chin area, advanced airflow management, and premium comfort materials, the Alpinestars SM3 provides uncompromising rider protection and confidence on motocross tracks and off-road trails.
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