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Hand lay-up carbon fiber composite construction Upper vents with on/off shutter closure for airflow control Fidlock chinstrap strap closure for easy in and out Pro-Series Breathbox for complete protection removable for optimal air flow DOT approved. Meets Federal Motor Vehicle Safety Standard 218 FMVSS 218. 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 Helmet with a new hand lay-up carbon composite construction thats 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. DOT approved. Meets Federal Motor Vehicle Safety Standard 218 FMVSS 218.
- Hand lay-up carbon fiber composite construction
- XS to 4X sizes available in three shells for optimal fit and minimal weight
- Upper vents with on/off shutter closure for airflow control
- Fidlock chinstrap strap closure for easy in and out
- Go-Pro mounting capability improved design
- Perfect fit between helmet eyeport and 509 goggles
- Pro-Series Breathbox for complete protection removable for optimal air flow
- 509 helmet bag included