* Aerodynamics redefined* Multi position design for optimal aerodynamics regardless of the angle of the head* Forced Air cooling technology for a clever ventilation system and optimal head temperature* Aerodynamics Flowstraps, flutter-free and skin friendly* Eyewear port: Aerodynamics bracket at the back for glasses with temple channels* ZOOM Ace fine 3D-adjustement system with handy dial for personalized fit. * Ponytail compatible​​