509 Altitude 2.0 Snowmobile Helmet - Acid Green (Non-Current) Size:XL this life jacket incorporates BioLite

this life jacket incorporates BioLite technology making it lighter

Waist adjustment system and built-in belt loops at waist

Easy storage

1 industry-first integrated harnessed beacon pocket

The curved

509 Altitude 2.0 Snowmobile Helmet - Acid Green (Non-Current) Size:XL this life jacket incorporates BioLiteReinvented 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