After you zip up the Castelli jersey, try not leave your cycling buddies behind. As they overheat and wilt, you'll stay cool and comfortable, thanks to Procool Plus fabric with Prosecco technology. Heat and moisture evaporate with maximum efficiency, promoting a personal microenvironment that's ideal for performance cycling. 30cm zipper adds extra ventilation potential, while three back pockets and water resistant audio pocket help store the essentials. Reflective back pocket details. Size and color selection may be limited.

Item Code: CSTXHSL4

Sizing Chart