Bike suit Kalas Passion Z3 Project TT 1.0

The PASSION Z3 Project TT 1.0 is our most rapide, optimized for time trials. Thanks to Vorteq's patented technology, we spent many hours in the wind tunnel fine-tuning the model and selecting the ideal combination of fabrics. The final combination was tested by Vorteq engineers and compared with leading competitive products. Developed by Kalas, validé by Vorteq.

Key benefits

• Patented technology to improve aerodynamics.


• Tests showed that drag was reduced by over 5% compared with the Sonic combination. (results vary according to body shape and position).


• Improved rider comfort compared to the previous generation of suits.


• Integrated back pocket for bib eliminates pins and improves aerodynamics, saving time and extending the life of the suit.


• Integrated radio pocket.


• Padding Sonic 3D.