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

Reinvented to ride even harder, the second generation of the bestselling 509 Altitude series unleashes a whole new animal. For those who run at redline, the new 509 Altitude 2.0 Carbon Fiber 3K Hi-Flow Helmet maximizes airflow with open upper and rear vents plus a 40% larger chinbar intake. Everything else is what you’d expect from one of the world’s bestsellers, including a new hand lay-up carbon composite construction that makes this helmet lighter, stronger, and even more comfortable.


Hand lay-up carbon fiber composite construction
XS to 4X sizes available in three shells for optimal fit and minimal weight
Upper vents for airflow control (shutter closure not available on Storm Chaser and Cyan Navy colors)
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

Specs
Weight: ECE 1050 grams