509 Altitude 2.0 Helmet

Introducing 509's Altitude 2.0 Helmet, reinvented to ride even harder, the second generation of the bestselling 509 Altitude series unleashes a whole new animal. Lighter, stronger, and even more comfortable thanks to a new hand lay-up fiberglass construction, the 509 Altitude 2.0 Helmet excels in any terrain or condition. Includes the Fidlock® magnetic strap buckle for easy one-handed operation, plus customizable features like a removable Pro-Series Breathbox to get you through a full season of extremes.

SPECS: 

• Hand lay-up fiberglass composite construction for stronger, lighter-weight, and better fit construction
• DOT/ECE certified in the USA. ECE available in Canada and Europe
• One piece eye port trim
• 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 great airflow
• Weight: As low as 1200 grams for DOT/ECE

California Prop 65