SKU: F01012800-110-104

Altitude 2.0 Pro Carbon Fiber 3K Helmet

$329.95 Regular price $449.95
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Sacrifice nothing with our highest performance snowmobile helmet ever.
Select Color: Racing Red (2023)
Select Size: XS

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Sacrifice nothing with our highest performance snowmobile helmet ever. The 509 Altitude 2.0 Pro Carbon Fiber 3K Helmet boasts every advantage for the most demanding off-trail riders. 3K carbon composite construction makes it lighter, stronger, and sleeker than anything else in the lineup. For those who run at redline, the helmet maximizes airflow with open upper and rear vents plus a 40% larger chinbar intake. It also features the MIPS Brain Protection System for the highest levels of safety.
3K Carbon Fiber ECE Certified Fidlock® MIPS

Key Features

  • Pro MIPS® Brain Protection System for ultimate safety → Learn More
  • Hand lay-up
    carbon fiber 3K Carbon Fiber 3K is a specific type of carbon fiber used in the hand lay-up process where the carbon fiber's weave pattern consists of 3,000 individual carbon fibers per tow, resulting in an intricately woven and tightly packed light weight structure.
    composite construction
  • ECE certified
  • XS to 2X sizes available in three shells for optimal fit and minimal weight
  • Upper vents for optimal airflow
  • Go-Pro® mounting capability, improved design
  • Fidlock® The Fidlock System is a cutting-edge magnetic chinstrap buckle used in motorsport helmets ensuring quick, secure, closures with one hand and is DOT and ECE compliant.
    chinstrap strap closure for easy in and out
  • Perfect fit between helmet eyeport and 509 goggles
  • Pro-Series Breathbox included
  • 509 helmet bag included
  • WARNING for California Residents


  • Starting Weight: ECE 1050 grams