Alpinestars · S-M5 Action · Alpinestars S-M5 Action
Alpinestars S-M5 Action Silver Metallic
Design Concept & Background
""
Alpinestars S-M5 Action Silver Metallic is a high-performance Dirt/MX helmet engineered by Alpinestars to meet high standards of safety and comfort. Inspect its detailed design background and specifications below.
Rider Profile & Intended Use
Where to buy
| Marketplace | Price | Availability | Updated | |
|---|---|---|---|---|
|
★
Amazon (US)
Store Profile
|
$249.95 | ● In Stock | 1 second ago | Buy Now → |
Certified Alpinestars Stores in US
Price History
Product Concept & Specifications
Alpinestars (Italy)Engineering & Technical Analysis
The S-M5 Action utilizes Alpinestars' proprietary EPS liner with a multi-density foam structure to optimize impact absorption across varying crash vectors. Its aerodynamic shell geometry minimizes turbulent airflow at high speeds while the integrated visor system ensures rapid deployment and secure retention during aggressive off-road maneuvers.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Moderate Index: Standard wind noise suppression at highway speeds. High flow channels optimize high-velocity dynamic ventilation.
Technology & Convenience
Interactive Size & Fit Finder
Alpinestars S-M5 is a motocross/dirt bike helmet designed for off-road use. It features an open visor design and typically utilizes a multi-position dial retention system rather than a full-face closure.
How to measure
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, and repeat for consistency.
Available Colors & Graphics
View on retailers
This helmet is linked to product pages on the following retailers. Links can be used for affiliate and as a source for data and images.
Compare & buy
Add this helmet to the comparison tool to see it side by side with others, or check current offers from trusted retailers.
User Reviews
Based on 0 reviews
Share your experience
No reviews yet. Be the first to share your experience with this helmet!
More from Alpinestars
Alpinestars Tech-7
Alpinestars Supertech R10
Alpinestars SMX-6R
Alpinestars SMX-5R Carbon Fiber Helmet
Alpinestars SM-8