The 509 Ken Block Altitude 2.0 Snowmobile Helmet is a special edition tribute to Ken Block’s unstoppable spirit and legacy. Built with hand lay-up fiberglass composite construction, this helmet delivers exceptional strength and lightweight performance for the most demanding snow conditions. A portion of the proceeds supports the Ken Block Foundation, 43i Institute, helping to empower the next generation of driven creators and athletes. The Fidlock magnetic chinstrap, Pro-Series Breathbox, and adjustable upper vents combine to offer premium comfort, airflow, and control in extreme winter conditions. Whether you’re carving backcountry lines or hitting high-speed trails, this helmet represents performance, protection, and purpose.
✅ Legacy Edition – Honors Ken Block with proceeds supporting the 43i Institute
✅ Lightweight & Strong – Hand lay-up fiberglass composite shell construction
✅ Easy Operation – Fidlock magnetic chinstrap allows quick, one-handed use
✅ All-Season Comfort – Removable Pro-Series Breathbox for airflow and warmth control
✅ Ventilation Control – Upper vents with on/off shutters manage airflow precisely
✅ DOT Approved – Meets FMVSS 218 safety standards
✅ Model: Altitude 2.0 Ken Block Edition
✅ Part Number: F01009400-160-702
✅ Color: Gloss KB43VER
✅ Shell Material: Hand lay-up fiberglass composite
✅ Ventilation: Upper vents with on/off shutter closures
✅ Chin Strap: Fidlock magnetic strap system
✅ Breathbox: Pro-Series removable system
✅ Certification: DOT FMVSS 218
✅ Binding: Sports / Snowmobile Gear
✅ EAN: 0840324927924
✅ Package Dimensions: 14.5 × 12.0 × 11.5 inches
