Alpinestars SM3 Radium Youth Helmet

Engineered specifically for the next generation of riders, the Alpinestars SM3 Youth Helmet in Gray/Black/Yellow delivers advanced protection and comfort for young enthusiasts tackling MX, Enduro, and off-road adventures. This lightweight youth motocross helmet combines cutting-edge safety features with a design optimized for the unique needs of younger riders.

Description

The Alpinestars SM3 Radium Youth Helmet is a testament to dedicated youth rider safety and performance. Its lightweight outer shell is constructed from a thermo-injected, impact-resistant thermoplastic, utilizing a special polymer blend with varying thicknesses to achieve an optimal balance of protection and a mere 1060g weight. Designed to grow with your rider, the Youth Medium and Youth Large sizes share the same EPS liner, allowing for future configuration to a larger size through genuine Alpinestars spare crown and cheek pads. The helmet features a multiple-density inner liner, strategically placed for enhanced impact absorption and overall weight reduction. Crucially, both inner and outer surfaces are engineered to minimize the effects of oblique impacts, further bolstered by Alpinestars' patented low-friction coating on the main EPS liner. This innovative layer acts as a slip plane, reducing rotational acceleration forces during certain impacts, mimicking the brain's natural defense. Safety is paramount, with an in-house standard for chin protection exceeding homologation requirements, an Emergency Release System for safe cheek pad removal, a 25mm soft textile chin strap, and secure stainless steel D-rings. Stay cool on the trail with maximized ventilation, featuring 10 inlets and seven exhaust ports, with the visor cleverly designed to direct airflow for superior heat exchange.

Features & Highlights

• Youth-Specific Anatomical Design: Precisely engineered and profiled for younger riders, ensuring an optimal fit and comfort for MX, Enduro, and off-road use.
• Advanced Impact Protection Shell: Lightweight (1060g) thermo-injected thermoplastic shell with a special polymer blend provides superior impact resistance and energy dispersion.
• Rotational Impact Defense: Features Alpinestars' patented low-friction coating on the EPS liner and engineered surfaces to significantly reduce forces from oblique impacts.
• Customizable Fit for Growth: Youth Medium and Large sizes share an EPS, allowing riders to adapt the fit as they grow using genuine Alpinestars spare crown and cheek pads.
• Enhanced Safety & Comfort: Equipped with an Emergency Release System, 25mm soft textile chin strap with stainless steel D-rings, and hydration tube channels for convenience.
• Optimized Ventilation System: Boasts 10 strategically placed air inlets and seven exhaust ports, coupled with a visor designed for airflow, ensuring maximum cooling.
• Eco-Conscious Liner: Comfort liner constructed using recycled materials, contributing to a lower carbon footprint without compromising performance.

Technical Specifications

• EAN: 8059347423166

Important to Know

• Crown and cheek pads in different thicknesses are available as genuine spare parts for tailoring the fit and adapting the helmet as the rider grows. These are not included with the helmet and must be purchased separately.

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