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Alpinestars · S-M5 Action · Alpinestars S-M5 Action

Alpinestars S-M5 Action Gloss Black

DOT ECE 22.06
Alpinestars S-M5 Action Gloss Black
Alpinestars S-M5 Action Gloss Black
Alpinestars S-M5 Action Gloss Black

Design Concept & Background

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Alpinestars S-M5 Action Gloss Black 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

Riding Style Motocross
Helmet Category Dirt/MX
Internal Fit Shape Intermediate Oval
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Where to buy

Best price $249.95 Amazon (US)
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Price History

Product Concept & Specifications

Alpinestars (Italy)

Engineering & Technical Analysis

The S-M5 utilizes Alpinestars' proprietary impact-absorbing EPS liner combined with a multi-density foam system to manage rotational and linear impacts typical of motocross. Its aerodynamic shell design features integrated acoustic dampening channels that reduce wind noise by approximately 15% compared to standard off-road helmets while maintaining high airflow through dual-stage intakes.

Fit & Shell Structure

Intermediate Oval Shape

Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.

[MATR.SHEL] Shell Construction Composite Outer structural material
[PHYS.MASS] Measured Weight 1150g (2.54) Approximate medium size weight
[COVG.YEAR] Warranty 2 Manufacturer coverage duration
[OPER.ROLE] Primary Use Case Motocross Optimized riding orientation

Safety & Certifications

[SYS.CERT] Homologation ECE 22.06 Certified safety standard
[SYS.PROT] Rotational Protection None Mitigates rotational impact
[SYS.EQRS] Emergency Release Not Equipped Cheek pad quick removal
[SYS.LOCK] Retention Strap Double D-Ring Chin strap buckle style

Acoustics & Aerodynamics

92 dB
Acoustics
8 /10
Ventilation

Quiet Index: Superior sound damping and isolated ear cavity structures. High flow channels optimize high-velocity dynamic ventilation.

[AERO.TEST] Wind Tunnel Tested No Optimized shell aerodynamics
[VISR.FOG] Pinlock Tech Not Included Anti-fog shield insertion

Technology & Convenience

[SYS.COMM] Comms Integration Generic Speaker Cutouts Intercom cutout availability
[FIT.GLASS] Glasses Friendly No Inner lining eyewear grooves
[VISR.SYS] Visor Shield Tech Single Visor Integrated drop-down sun visor
[FIT.LINR] Removable Interior Partial / Fixed Washable lining modules

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