Built on the F5 chassis and adding to its engineered capability to provide all-day comfort, the F5 Koroyd adds safety and ventilation technologies to provide protection, reduced weight and enhanced ventilation and carries the DOT certification for on-road use. Challenging long-held industry methods, the F5 is leading the way in head protection technology and providing the best possible riding experience.

  • Full Klim karbon fiber shell
  • One of the lightest helmets in the industry
  • Extra large eye port for maximum field of vision
  • Dual density EPS foam
  • Wind tunnel tested
  • Fid-lock® strap closures (easy to take the helmet on and off)
  • Most ventilated helmet in the industry
  • 18 intakes and 8 exhaust vents
  • Direct vent EPS design
  • Designed to intake air at speed/exhaust heat while at low speeds
  • Koroyd is a next generation energy absorbing technology, engineered with a unique structure and innovative energy management properties
  • When impacted the Koroyd cores crush homogeneously, decelerating the energy from the impact