Alpinestars · SM5 · Alpinestars SM5
Alpinestars SM5 Pearl White
Design Concept & Background
""
Alpinestars SM5 Pearl White 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.
Key Highlights:
Rider Profile & Intended Use
Where to buy
| Marketplace | Price | Availability | Updated | |
|---|---|---|---|---|
|
★
Amazon (US)
Store Profile
|
$289.95 | ● In Stock | 1 second ago | Buy Now → |
Certified Alpinestars Stores in US
Price History
Product Concept & Specifications
Alpinestars (Italy)Engineering & Technical Analysis
The SM5 utilizes Alpinestars' proprietary EPS liner architecture with a multi-density foam construction to optimize impact absorption across the chin and temple regions. Its aerodynamic shell geometry is engineered to manage airflow turbulence at high speeds while maintaining structural rigidity under lateral G-forces typical of motocross racing.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Quiet Index: Superior sound damping and isolated ear cavity structures. High flow channels optimize high-velocity dynamic ventilation.
Technology & Convenience
Regional Legality & Compliance
Certified for use in the United States; meets DOT FMVSS 218 standards.
Compliant with ECE 22.05 regulations for use in European markets.
Accepted for use in Canada under DOT standards.
Regional Legality Guidance
Interactive Size & Fit Finder
Alpinestars SM5 is a motocross/dirt helmet designed for off-road use; it does not feature integrated speakers, cable management ports, or HUD compatibility.
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