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The Alpinestars S-M3 Radium Red Red White Full Face Motocross Enduro Helmet is a premium off-road helmet designed for riders who demand maximum protection, low weight and race-ready ventilation in motocross, enduro and off-road adventures. Built for both competitive and weekend use, the Alpinestars S-M3 Radium Red Red White Full Face Motocross Enduro Helmet combines Alpinestars engineering with an aggressive Radium graphic for standout style on track and trail.
Introduction: type of helmet & target rider
This is a full face off-road (MX/Enduro) helmet made for riders looking for a balanced mix of safety, comfort and performance. Whether you ride motocross tracks, technical enduro stages or fast gravel sections, the Alpinestars S-M3 Radium Red Red White Full Face Motocross Enduro Helmet is engineered to keep you protected and comfortable during intense riding sessions.
Constructive Features: materials & assembly
Engineered with a focus on impact management and lightweight performance, this helmet features:
- Lightweight outer shell construction designed for off-road demands
- Optimized shell shape to improve aerodynamics and stability at speed
- Advanced ventilation architecture to push airflow through the helmet and evacuate heat
- Durable peak/visor design developed to reduce roost and sun glare in MX and enduro riding
- Precision assembly and finishing, typical of Alpinestars helmets, for consistent fit and long-term durability
Safety & Comfort: protection level, fit & usability
Protection and rideability are central to the S-M3 concept:
- ECE 22.06 homologation (road-legal safety standard in many markets, check local regulations)
- Full-face off-road protection coverage for chin and jaw impact areas
- Comfort liner system designed to support long rides and high-intensity use
- Breathable interior padding to help manage sweat and temperature
- Secure retention system for stable fit during jumps, braking bumps and technical terrain
The fit is designed to be stable and supportive, helping reduce helmet movement at speed and during impacts, while remaining comfortable with goggles and typical off-road gear.
Why choose it: exclusive advantages
Choose the Alpinestars S-M3 Radium Red Red White Full Face Motocross Enduro Helmet if you want:
- Alpinestars off-road racing DNA in an accessible, performance-focused helmet
- High ventilation efficiency for hot days and demanding enduro climbs
- ECE 22.06 certified safety for modern protection expectations
- Bold Radium colorway (Red/Red/White) for strong visibility and a factory look
- A true MX/Enduro setup made for goggles, roost protection and aggressive riding posture
Technical Data (Product Specifications)
- Product name: Alpinestars S-M3 Radium Red Red White Full Face Motocross Enduro Helmet
- Helmet type: Full Face Off-Road (Motocross / Enduro)
- Graphic/Color: Radium – Red / Red / White
- Certification: ECE 22.06
- Intended use: Motocross, Enduro, Off-road
- Compatibility: Goggle-ready design (off-road setup)
- Key features: Ventilation system, off-road peak/visor, comfort liner, secure retention
A reliable choice for riders seeking an off-road full face helmet with modern certification, strong airflow management and unmistakable Alpinestars style.