Description
The Alpinestars SM3 Youth Radium Helmet is anatomically engineered for young riders, offering top-tier protection and comfort for MX, Enduro, and Off-Road use. It features a thermo-injected shell made from a special polymer blend with varying thickness for optimal impact absorption and light weight. The advanced thermoplastic outer shell and multiple-density EPS liner are designed to minimize oblique impact forces. A patented low-friction layer mimics cerebrospinal fluid to reduce rotational forces.
The helmet includes a visor release system that reduces neck forces during impact, ten intake and seven exhaust vents for maximum airflow, and a 25mm soft textile chin strap for comfort. Additional features include a recycled-material comfort liner, hydration tube channels, stainless steel D-rings, and an Emergency Release System with removable cheek pads. Certified to both DOT and ECE 22.06 standards, the SM3 is ideal for serious youth riders.
Color: Gray/Black/Yellow Fluo, Size: Youth Small, Finish: Matte.
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