Description
The Alpinestars SM3 Helmet is engineered for MX, Enduro, and off-road riding, delivering a balance of lightweight performance, advanced protection, and rider comfort. Its thermo-injected shell uses a specially formulated polymer blend with optimized thickness for enhanced impact resistance, while innovative safety features such as a low-friction EPS liner coating help reduce rotational forces during oblique impacts. Designed for demanding conditions, the SM3 offers excellent ventilation, a customizable fit, and a patented visor release system that reduces strain on the neck during crashes, making it a reliable choice for serious off-road riders.
Key Features
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Lightweight thermo-injected shell with advanced polymer blend construction
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Optimized shell thickness for improved impact protection and reduced weight
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Advanced ventilation system with 10 air intakes and 7 exhaust ports
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Low-friction EPS liner coating to reduce rotational acceleration forces
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Patented visor release system to minimize neck strain during impact
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Multi-density EPS liner (5 parts, 4 densities) for superior energy absorption
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Hydration tube channels integrated into cheek pads
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Removable, comfort-focused liner made with recycled materials
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Customizable fit with interchangeable crown and cheek pads
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Emergency Release System with removable cheek pads for safe helmet removal
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Reinforced chin bar with enhanced impact performance beyond standard requirements
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Soft textile chin strap with stainless steel Double-D rings for secure fit
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Lightweight design (approx. 1430g ECE / 1460g DOT for size Medium)
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Certified to ECE 22.06 and DOT standards for worldwide use
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