![509 Altitude 2.0 Snowmobile Helmet - Mintnight](http://martinmotorsports-store.ca/cdn/shop/files/altitude-2-0-helmet_Mintnight.02_720x_7eab76d7-f115-497c-8a29-c8d7a9c30e34.webp?v=1694454063&width=720)
![509 Altitude 2.0 Snowmobile Helmet - Mintnight](http://martinmotorsports-store.ca/cdn/shop/files/altitude-2-0-helmet_Mintnight.03_720x_c5b872ce-250d-4afd-aa1b-4fa6de9aa4db.webp?v=1694454063&width=720)
![509 Altitude 2.0 Snowmobile Helmet - Mintnight](http://martinmotorsports-store.ca/cdn/shop/files/altitude-2-0-helmet_Mintnight.01_900x_74413f51-7c67-4963-8eae-1fff1f9795c5.webp?v=1694454050&width=900)
509 Altitude 2.0 Snowmobile Helmet - Mintnight
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.
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
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![509 Altitude 2.0 Snowmobile Helmet - Mintnight](http://martinmotorsports-store.ca/cdn/shop/files/altitude-2-0-helmet_Mintnight.02_720x_7eab76d7-f115-497c-8a29-c8d7a9c30e34.webp?v=1694454063&width=720)
![509 Altitude 2.0 Snowmobile Helmet - Mintnight](http://martinmotorsports-store.ca/cdn/shop/files/altitude-2-0-helmet_Mintnight.03_720x_c5b872ce-250d-4afd-aa1b-4fa6de9aa4db.webp?v=1694454063&width=720)
![509 Altitude 2.0 Snowmobile Helmet - Mintnight](http://martinmotorsports-store.ca/cdn/shop/files/altitude-2-0-helmet_Mintnight.01_900x_74413f51-7c67-4963-8eae-1fff1f9795c5.webp?v=1694454050&width=900)
509 Altitude 2.0 Snowmobile Helmet - Mintnight
Sale price$499.99
Regular price