Castelli Aero Race 8S Jersey: Maximum Speed, Minimum Drag

In the quest for greater speed and efficiency on the bike, aerodynamic clothing is one of the smartest upgrades you can make. The Castelli Aero Race 8S Jersey is the result of over a decade of innovation , advanced wind tunnel testing, and collaboration with pro riders. This is the fastest Castelli jersey ever—the “S” in the name standing for “speed.”

Aerodynamic Design for Maximum Performance

Utilizing CFD-optimized fabric placement and seam construction , every detail of the Aero Race 8S Jersey is designed to minimize drag and maximize your speed .

• Ribbed shoulder fabric reduces drag and delivers up to 6% lower CdA at racing speeds
• Close-fitting for optimum aerodynamics without restricting movement
• YKK® Vislon® zipper for smooth opening and closing during the ride

Cool, Light and Comfortable

In addition to speed, a racing jersey must also be breathable and comfortable , especially on warm race days.

• Lightweight body fabric for optimum ventilation and moisture regulation
• Bonded sleeve ends for a seamless transition and extra comfort
• Elastic waistband keeps the shirt perfectly in place, even with full back pockets

Practical Details for the Serious Runner

The Aero Race 8S Jersey combines speed with functionality, making it perfect for both competitions and intensive training .

• Three spacious back pockets for food and essentials
  Reflective details for extra visibility and safety
• Perfect balance between aerodynamics and comfort , tested and approved by professional riders

Why Choose the Castelli Aero Race 8S Jersey?

• Wind tunnel tested and proven aerodynamic advantage
• Ultralight and breathable for maximum performance in warm conditions
• Race-optimized fit without compromising on comfort
• Designed to convert every watt into pure speed