Alpinestars SM3 Heat Helmet

Engineered for MX, enduro, and off-road riders, the Alpinestars SM3 Helmet sets a new standard in lightweight protection, rider comfort, and advanced safety technologies. Designed to perform under extreme conditions, this helmet delivers exceptional ventilation, innovative impact protection, and a fit system tailored for all-day performance. Whether you're tackling rugged terrain or racing on the track, the SM3 is built to keep you safer, cooler, and more focused.

Key Features & Benefits:

• Advanced Shell Construction: Thermo-injected shell uses a proprietary polymer blend with variable thickness to deliver optimal impact absorption while keeping the helmet lightweight.
• Maximum Ventilation: 10 air inlets and 7 exhaust ports provide powerful airflow and superior heat exchange, keeping you cool during intense rides.
• Rotational Impact Protection: Patented low-friction EPS (Expanded Polystyrene) coating reduces rotational acceleration from angled impacts, mimicking the brain’s natural protection mechanism.
• Patented Visor Release System: Engineered to detach under a precise force, reducing rotational strain on the neck in a crash.
• Impact Optimization: Five-piece EPS liner with four different densities for targeted energy management and improved crash performance.
• Hydration System Ready: Integrated channels in the cheek pads accommodate hydration tubes for on-the-go performance.
• Eco-Conscious Comfort Liner: Liner materials use recycled textiles, offering a sustainable solution without compromising comfort.
• Custom Fit System: Crown and cheek pads come in varying thicknesses (sold separately), allowing riders to fine-tune the fit.
• Reinforced Chin Area: Exceeds standard homologation with enhanced shell thickness and structural optimization for greater frontal impact protection.
• Emergency Release System: Removable cheek pads and 3D-contoured foam provide safety and convenience during emergency helmet removal.
• Comfort & Safety Details: Includes a soft 25mm textile chin strap and stainless-steel D-rings for a secure, comfortable fit.
• Meets or exceeds DOT and ECE 22.06 safety standards

Why Choose the Alpinestars SM3 Helmet?

The Alpinestars SM3 Helmet is more than just protection - it’s a commitment to next-level performance, safety innovation, and rider-focused comfort. With a refined design backed by new in-house safety standards, this helmet is trusted by off-road enthusiasts who demand maximum ventilation, adaptive fit, and advanced crash protection. Choose the SM3 for a helmet that works as hard as you do.