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Certezza Jersey Full-Zip Jersey - Short-Sleeve - Women's

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Wind-tunnel tested and Castelli certified.

Castelli touts the Certezza Short-Sleeve Women's Jersey as its most technical women's jersey, and who are we to disagree? The company developed the new paneling through a series of wind-tunnel tests, so you can be sure that it won't cause any excess drag or otherwise slow you down. On the front, highly stretchy Velocity Dry helps support your core, while stretch mesh panels on the back increase the jersey's moisture-wicking and breathable properties. At the sleeves and hem, gentle elastic bands boost the Certeza's aero fit without pinching your arms or torso, and the full front zipper helps you increase ventilation when the going gets hot. Finally, for a touch of tradition, Castelli included three back pockets for easy access to snacks, cash, or a multitool.


  • Velocity Dry and stretch mesh fabrics
  • Race fit
  • Full-length front zipper
  • Three rear pockets
  • Non-binding arm bands
  • Elastic hem
  • Item #CST000X
[front body] Velocity Dry, [paneling] stretch mesh
race cut
3 back
Recommended Use
Manufacturer Warranty
1 year