Altitude 2.0 Helmet

The 509 Altitude 2.0 Helmet is a versatile open-face snowmobile helmet built with a hand-laid fiberglass shell for a balance of protection, comfort and low weight. Its goggle-compatible eyeport, controlled airflow and removable Pro-Series breathbox make it adaptable across changing winter conditions.

Key features

• Hand-laid fiberglass shell
• Designed for a seamless fit with 509 goggles
• Nine intake vents and four exhaust vents
• Removable moisture-managing liner
• Removable Pro-Series breathbox
• Fidlock magnetic chinstrap
• DOT certified
• Starting weight approximately 1150 g
• Intermediate oval head shape
• Sizes XS–4XL with three shell sizes
• Universal camera mount and adjustable polycarbonate visor

Why choose this product?

A balanced choice for riders who want broad sizing, a fiberglass shell and configurable cold-weather protection without moving to carbon construction.