Motocross Helmet Alpinestars S-M3 Heat
The Alpinestars S-M3 Heat is a high-performance motocross helmet engineered specifically for MX, enduro, and tough off-road riding. This dirt bike helmet features a thermo-injected shell crafted from a specialized polymer blend with varying thicknesses to deliver the ideal balance of lightweight comfort and superior impact resistance. Inside, a multi-density EPS liner combined with Alpinestars' patented low-friction layer mitigates harmful rotational acceleration during oblique impacts. With a crash-release visor mechanism and an advanced ventilation network consisting of ten inlets and seven extraction ports, it keeps you cool and well-protected under demanding conditions. Pair with professional MX goggles and a technical base layer for the best off-road riding comfort.
Belangrijkste kenmerken
- Shell Construction & Weight: Advanced thermo-injected polymer shell engineered with varied wall thicknesses for optimal structural rigidity and lightness; weighs approximately 1430 g (ECE certified).
- Safety Standards: Fully certified to ECE 22.06 and DOT homologation standards, featuring enhanced in-house chin bar impact testing exceeding standard requirements.
- Rotational Force Management: Patented low-friction slip plane on the inner surface of the EPS liner mimics natural brain fluid to minimize rotational energy during angled crashes.
- Multi-Density EPS: 5 separate EPS liner segments with 4 distinct densities engineered for targeted, progressive energy absorption.
- Emergency Release System (ERS): Removable 3D-contoured cheek pads equipped with a quick-release pull system for safe and effortless removal by emergency responders.
- Patented Visor Release: Peak visor releases at a calibrated force threshold during an impact to substantially decrease torque and strain on the neck.
- Airflow & Ventilation: Comprehensive ventilation layout with 10 intake ports and 7 exhaust vents for immediate heat extraction and active fresh air delivery.
- Interior & Ergonomics: Removable, washable comfort liner made with eco-conscious recycled fabrics, featuring integrated hydration tube routing channels through the cheek pads.
- Retention System: 25 mm wide soft webbing chinstrap secured with durable stainless steel double D-rings for a firm, dependable fit.
- Sizes & Fit: Available in sizes M to XL for Men and Women (Unisex).