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Alpinestars

Alpinestars SM3 Solid Helmet | Matte Black MX & Enduro Helmet

Alpinestars SM3 Solid Helmet | Matte Black MX & Enduro Helmet

SKU:8300326-110-XS

Regular price $229.95 USD
Regular price Sale price $229.95 USD
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4 in stock

Alpinestars SM3 Solid Helmet – Matte Black

Built for MX, enduro, and off-road riders who demand serious protection without sacrificing comfort or airflow, the Alpinestars SM3 Solid Helmet delivers a premium blend of lightweight construction, advanced impact management, and race-proven ventilation. Available in Matte Black, sizes XS–2XL.

Shell & Construction

  • Thermo-injected thermoplastic outer shell with varied-thickness polymer blend for optimized impact protection and reduced weight
  • Composite fiber inner shell assembled between the outer shell and EPS liner for maximum impact absorption
  • 6-piece, 5-density EPS liner engineered to manage volume and impact performance in the right areas
  • Polished inner EPS liner with low-friction coating to reduce rotational acceleration forces from oblique impacts

Ventilation

  • 10 intake ports + 7 exhaust ports for maximized airflow and heat transfer
  • Visor designed to direct air into intake ports for enhanced cooling performance

Comfort & Fit

  • Adjustable crown and cheek pads for a tailored, personalized fit
  • Comfort liner constructed from recycled materials for a lower carbon footprint
  • Integrated hydration tube channels in cheek pads for on-the-go convenience
  • Soft 25mm textile chin strap for optimal safety and comfort

Protection & Safety

  • Emergency Release System with removable cheek pads for safe helmet removal after an incident
  • Chin area optimized for superior impact performance
  • Visor release system designed to release at a pre-determined force to reduce neck stress during impacts
  • Stainless steel D-rings for a tight, secure closure

Specifications

  • Brand: Alpinestars
  • Color: Matte Black
  • Sizes: XS, S, M, L, XL, 2XL
  • Intended Use: Motocross / Enduro / Off-Road
  • Weight: ~5 lbs
  • Price: $229.95
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