509 Altitude 2.0 Carbon Fiber 3K Hi-Flow Helmet (ECE)

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  • Regular price $599.99 CAD
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Engineered with larger chin bar intake and rear exhaust vents. All open vents removed shutter for increased flow, plugs removed, more breathable for mountain riders. Combined with an ultralight ECE 3K Carbon layup this helmet is optimized for the most demanding off-trail riders.


  • Hand lay-up carbon fiber composite construction
  • XS to 4X sizes available in three shells for optimal fit and minimal weight
  • Upper vents for optimal airflow
  • Go-Pro mounting capability, improved design
  • Fidlock chinstrap strap closure for easy in and out
  • Perfect fit between helmet eyeport and 509 goggles
  • Pro-Series Breathbox for complete protection, removable for optimal airflow
  • Weight: ECE helmet as low as 1070 grams