Castelli Free AR 4.1 Jersey

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Product description

This jersey is a new version of our high-end pro racing jersey released only a few years ago. It is also our first aerodynamic jersey for racing which has not become obsolete once the arrival of new generation jerseys is faster and more aerodynamic. The Aero Race 4.0 jersey was very fast and skillfully combined an aesthetic classic style and a stretch cut that perfectly hugged the lines of many types of jigs, not just those of threadlike runners.


  • Saves about 12 watts at 40 km / h compared to a classic race fit jersey
  • Honeycomb fabric on front and shoulders for better moisture wicking and faster drying
  • Full-length YKK® Vislon® zip with neck protector
  • Nervato fabric at armhole for better aerodynamics
  • Silicone elastic around the waist
  • Mesh support band with raw edges around the arms
  • Zipped back pocket
  • Reflective heat-sealed strips
  • 18 ° -32 ° C / 65 ° -90 ° F
  • Weight: 123g

Version 4.1 offers a different approach. The objective is not at all professional competition, but rather to offer functional characteristics that we then found superfluous when designing the 4.0 for a victory in the Giro d'Italia. This new version of the jersey has a zipped back pocket, a flap behind the zip to protect your neck, a new version of our Velocity honeycomb fabric on the front and an oblique pocket offering easier access. . This makes it the ideal jersey for all types of outings, whether for a final sprint during a competition or when you go to workout with your Sunday group.

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