509 Altitude 2.0 Snowmobile Helmet – Stormchaser

Experience unmatched performance with the newly redesigned 509 Altitude 2.0 Snowmobile Helmet – Stormchaser. This second generation model features innovative hand lay-up fiberglass construction, making it lighter, stronger, and more comfortable than ever before. Tackle any terrain or weather with ease, and enjoy the added convenience of the Fidlock magnetic strap buckle for easy one-handed operation. Plus, the removable Pro-Series Breathbox allows for personalized customization to suit your needs for an entire season.

KEY FEATURES

• Hand lay-up fiberglass composite construction for stronger, lighterweight, 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 eyeport and 509 goggles
• Pro-Series Breathbox for complete protection, removeable for great air flow

SPECS

• Starting Weight:DOT/ECE 1200 grams

Safety Update: We’ve resolved all concerns related to the 2025 509 Helmet Recall by removing impacted sizes and verifying Fidlock routing on affected models.