Hand lay-up carbon fiber composite construction Upper vents for optimal airflow Go-Pro mounting capability improved design Fidlock chinstrap strap closure for easy in and out DOT approved. Meets the FMVSS 218 Standard Destroy all forms of dirt with the next-generation comfort and performance of the bestselling 509 Altitude 2.0 Offroad Carbon Fiber Helmet. Hand lay-up carbon fiber composite construction makes it lighter stronger and sleeker than anything before it. A larger chinbar intake plus upper exhaust vents keep you cool no matter how heated the session gets. Top of the line in every way it includes the Fidlock magnetic strap buckle for easy one-handed operation plus GoPro mounting capability. DOT approved. Meets the FMVSS 218 Standard.
- 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
- 509 helmet bag included