509 Altitude 2.0 Carbon Fiber Helmet - Acid Green
509 Altitude 2.0 Carbon Fiber Helmet - Acid Green
New Arrival

509 Altitude 2.0 Carbon Fiber Helmet - Acid Green

$419.95
Shipping calculated at checkout.

SKU: F01003800-110-302

Size: XS
May Be Available For Pickup

Description

Built for riders who demand the lightest premium protection possible, the 509 Altitude 2.0 Carbon Fiber Helmet Acid Green combines industry-leading performance with a bold, high-visibility finish. Constructed with a hand lay-up carbon fiber composite shell, this helmet delivers exceptional strength while minimizing weight for reduced fatigue during long days on the trail or in the mountains. Nine intake vents and four exhaust vents work together to maintain airflow, while adjustable upper vent shutters allow riders to fine-tune ventilation as riding conditions change. The removable Pro-Series Breathbox adds versatility for cold-weather adventures, and the Fidlock magnetic chinstrap closure offers quick, secure operation even while wearing gloves. Finished in a striking Acid Green colorway, this helmet is engineered for riders who refuse to compromise on performance, comfort, or visibility.

  • Shell Material: Hand lay-up carbon fiber composite shell
  • Certification: DOT certified
  • Starting Weight: 1050 grams
  • Fit: Intermediate oval fit
  • Size Range: XS - 4X
  • Ventilation: Nine intake vents and four exhaust vents
  • Closure: Fidlock magnetic chinstrap closure
  • Visor: Adjustable polycarbonate visor
  • Liner: Moisture-wicking removable liner and cheek pads
  • Colorway: Acid Green
  • Included Items:
    • 509 helmet drawstring bag
    • Pro-Series Breathbox
    • 509 sticker
  • Additional Features:
    • Premium carbon fiber composite construction
    • High-visibility Acid Green finish
    • Adjustable upper vent shutters for airflow control
    • One-piece eye port trim
    • Universal camera mount capable
    • Nutsert attachment points for side helmet accessories

Reviews and Q&A

FAQs

The hand lay-up carbon fiber composite shell provides exceptional strength while reducing overall helmet weight. Starting at approximately 1050 grams, it helps minimize neck fatigue during long rides while maintaining the durability and protection serious snowmobile riders demand.
Yes. The helmet is DOT certified and engineered to provide dependable protection in demanding riding environments. Its advanced carbon fiber construction combines lightweight comfort with the safety standards riders expect from premium snowmobile gear.
The Acid Green colorway offers outstanding visibility and a bold appearance that stands out against snowy landscapes. Riders looking for increased visibility and aggressive styling often choose this finish while enjoying the same premium carbon fiber performance.
The helmet features nine intake vents and four exhaust vents designed to maximize airflow. Adjustable upper vent shutters allow riders to customize ventilation levels based on weather conditions, riding intensity, and personal comfort preferences.
Yes. The lightweight carbon fiber shell, advanced ventilation system, and comfortable fit make the Altitude 2.0 Carbon Fiber Helmet an excellent choice for both aggressive mountain riding and long-distance trail riding in varying winter conditions.

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