
509 Altitude 2.0 Helmets
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 Breath box to get you through a full season of extremes. Hand lay-up fiberglass composite construction for stronger, lighter weight, and better fit construction DOT/ECE certified in USA 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 eye port and 509 goggles Pro-Series Breath box for complete protection, removeable for great air flow