Your favorite Castelli cycling jersey is now known as the Castelli Prologo HD Sleeveless jersey. The airy Stratus fabric with Prosecco treatment and sleeveless design will still keep you cool when the tar melts to your tires. Redesigned with a zippered pocket. Apparently a lot of guys were losing their keys.

• Stratus fabric with Prosecco treatment
• Laser-cut Castelli logo on chest
• Mesh insert on back for better fit and breathability
• 3/4 length hidden zipper
• 3 back pockets with zippered key pocket
• Reflective tab on back