Description
The Alpinestars SM3 Radium Helmet is engineered for MX, Enduro, and offroad riders seeking performance, comfort, and protection. The helmet features a thermo-injected shell with varied thickness for an optimal blend of impact protection and lightweight feel. Its outer is made from impact-resistant thermoplastic, while a composite fiber inner shell and multi-density EPS liner maximize protection and impact absorption. Enhanced ventilation is delivered by ten intake and seven exhaust ports, with a visor designed to direct airflow for maximum cooling. The comfort liner uses recycled materials, and the helmet integrates hydration tube channels for convenience. Safety features include an Emergency Release System, removable cheek pads, a low-friction EPS liner for rotational impact management, and stainless steel D-rings for a secure fit. Certified to meet both DOT and ECE 22.06 standards, this helmet offers advanced protection and rider comfort.
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