509 Altitude 2.0 Carbon Fiber 3K Helmet (ECE) Hi Flow - F01009900 (2023)

Reinvented to ride even harder, the second generation of the bestselling 509 Altitude series unleashes a whole new animal. Leading the charge is the 509 Altitude 2.0 Carbon Fiber 3K Hi-Flow Helmet with a new hand lay-up 3K carbon composite construction that’s lighter, stronger, and straight-up sleeker than anything before it. For those who like to get aggressive, it includes the Fidlock® magnetic strap buckle for easy one-handed operation, a built-in universal camera mount, plus airflow control venting.
• 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 air flow
• 509 helmet bag included