Home Page

Cart, contains 0 items

When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures.
Expert Help
Earn Rewards
  • Just In
  • Learn

Castelli
Free AR 4.0 Full-Zip Jersey - Short Sleeve - Men's

Be the first to review

Out of Stock

Don't worry though, we have a lot more Men's Short Sleeve Road Bike Jerseys in stock than that.

Shop Similar Products

Still speedy.

While it's been overtaken in Castelli's official hierarchy by the villainous Aero Race 5.0 model, the Free AR 4.0 Full-Zip Jersey still makes us quite happy, with its claimed savings of an average of 12 watts at 40km/h.


The majority of the Free AR 4.0 features the same Velocity Dry fabric Castelli uses in the 5.0. Used in the previous model, this material has a tightly-knit weave that increases laminar airflow over the body while Castelli's hydrophobic Prosecco treatment, which diffuses moisture out over a larger surface area for rapid evaporation. The rear of the jersey is a lightweight, breathable mesh for increased ventilation and wicking. The sleeves are Nervato fabric, which lies flat against your skin to remove flapping, and they terminate in Castelli's Giro 3 arm bands, which also lie flat and maintain a gently compressive fit without pinching.


The AR 4.0's cut curves to follow the contours of your body in the saddle, a feat that Castelli accomplishes despite using minimal panels — and therefore seams — to reduce abrasion. Because of this ergonomic pattern, the jersey feels precise while you're sailing along, stretched out on the bars, but a bit awkward across the chest while you're upright on terra firma.


Castelli finishes the Free AR 4.0 with a full-length, camlock zipper for easy one-handed operation and a silicone gripper at the waist to keep it in place once it's on. This grip also keeps the three rear pockets stable when they're loaded with ride supplies, and the reflective elements included throughout the jersey help keep you visible in low-light conditions.


Details

  • Aerodynamically-designed jersey
  • Saves 12 watts at 40 kph over standard jersey
  • Contoured cut for precise in-the-saddle fit
  • Item #CST005S
Material
[front and shoulders] Velocity Dry, [back] mesh, [sleeves] Nervato
Fit
aero race
Zip
full-length camlock
Pockets
3 rear
Recommended Use
road
Manufacturer Warranty
1 year

What do you think about this product?

View

Selecting an option will reload the available reviews on the page

Sorry, we don’t currently have any of those types of reviews for this product.