Fox Dropframe Pro Kairos Black (2026)

Maximum coverage open-face mountain bike helmet

The Dropframe Pro Kairos Helmet redefines the open-face 3/4 enduro category. Equipped with Mips® technology and the BOA® Fit System, it ensures a precise and secure fit. Enhanced ventilation and an Ionic+® antimicrobial liner with cheek pads enhance comfort and hygiene. Designed with extended protection around the ears, jaw, and rear, this mountain bike helmet delivers the most comprehensive coverage available in an open-face design.

KEY FEATURES

• BOA® Fit System for excellent fit and security
• Mips® added protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain
• 3-position adjustable visor compatible with goggles
• Removable under visor GoPro®* mount included
• Big Bore front vents include eyewear storage recess
• Increased ventilation and decreased surface contact area improve cooling
• Ionic+® antimicrobial liner and cheek pads to optimize fit
• FIDLOCK magnetic closure
• Meets the NTA-8776 E-bike helmet certification standard
• *Disclaimer: This product and/or service is not affiliated with, endorsed by or in any way associated with GoPro Inc. or its products and services. GoPro, HERO and their respective logos are trademarks or registered trademarks of GoPro, Inc