Alpinestars · S-M5 Action
Alpinestars S-M5 Action
DOT, ECE 22.06
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About the Alpinestars S-M5 Action
Dirt/MXDominate the track with the Alpinestars S-M5 Action, a helmet engineered for riders who demand uncompromising performance and style. Featuring an aggressive aerodynamic profile, this dirt bike helmet slices through the air to reduce drag while maintaining superior acoustic comfort at high speeds. The interior is crafted from premium moisture-wicking materials that keep you cool and dry, regardless of how intense the heat becomes on the trail. With its sleek, modern graphics and robust construction, the S-M5 Action isn't just protective gear; it's a statement of your riding identity. Experience the perfect balance of safety, ventilation, and aerodynamics in a helmet designed for the ultimate MX experience.
Technical Analysis
The Alpinestars S-M5 Action utilizes a multi-density EPS liner and an advanced retention system to ensure precise head retention during aggressive motocross maneuvers. Its aerodynamic shell design minimizes wind turbulence while the integrated sun visor and acoustic foam strategically dampen high-frequency noise without compromising breathability.
Safety & Aero-Acoustics HUD
SHARP impact test results pending.
Extremely Quiet: Superior long-distance sound damping.
High Flow: Dynamic multi-channel active venting.
Where to buy
All online retailers
Price History
Part numbers
| Product style | MFR. product # | SKU | Availability |
|---|---|---|---|
| Gloss Black / | — |
ALP-SM5A-BLK | instock |
| Silver Metallic / | — |
ALP-SM5A-GRE | instock |
| Hi-Viz Yellow / | — |
ALP-SM5A-YEL | instock |
| Stripe TC-1 / | — |
ALP-SM5A-STR | instock |
Interactive Size & Fit Finder
Designed for dirt/MX riding; Alpinestars S-M5 Action features a multi-density EPS liner and extended coverage for off-road use.
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
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