Capacitance welded seams eliminate needle penetration points

Class-leading aerodynamics paired with all-day comfort. This jersey is engineered to save you watts while managing moisture and providing comfort for the longest rides.

• CFD-based fabric placement and seam construction
• Castelli engineered Air_O Stretch fabric for breathability, comfort and stretch
• Engineered for aero efficiency at 30 to 55 km/h
• To be paired with Bolero SS base layer for added aero gains, or without base layer for hot days
• Airflow shoulder construction
• Elbow-length stretch sleeves with raw-cut edge
• Elastic around waist to keep jersey in place and support pockets
• YKK Vislon zipper
• Contains bluesign certified fabrics

Laserguided fit adjustment system