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Castelli
Aero Race 5.0 Full-Zip Jersey - Short Sleeve - Men's

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Our favorite villain.

Scrolling through Castelli's catalog in reverse order is like following a list of clues in a noir mystery thriller. Every page you turn reveals yet another indication that one mysterious actor is behind everything. In Castelli's case, our mystery man is the Aero Race 5.0 Jersey, because the disparate technologies and materials developed during its design period are used throughout the rest of the Italian manufacturer's line. You can bet that any jersey bearing the iconic red scorpion logo has been touched by the Aero Race 5.0's machinations.


The wind-cheating properties of the Aero Race 5.0's front panel of Velocity dry fabric also makes it something of a villain to other manufacturer's lines. This material is quick-drying and boasts a low weight that may elicit a villainous laugh, keeping the jersey to a claimed 103 grams for a size large. Additionally, the fabric has a tightly knit weave that manages laminar airflow over the body. Castelli makes the claim that this material and cut is so effective that you'll save an average of 20 watts at 40km/h. In theory, this not only translates to less exertion, but around 35-40 seconds saved over an hour — an improvement of roughly 12 watts over anything that's come before.


The back and sleeves are made of 3D fabric, which is lightweight and dimple-textured. This increases the fibers' effective surface area without adding mass, allowing for increased wicking and an even faster evaporation. While we wouldn't wear it alone in the depths of winter, this does make the Aero Race 5.0 Jersey appropriate for cool-weather applications. A drier jersey makes for a warmer cyclist, even if the lower weight of the 3D fabric means the new 5.0 saves around 30 grams of weight compared to its predecessor.


A girdle of compressive material around the waist maintains the aerodynamic, second-skin fit and keeps even fully-loaded pockets in place, eliminating the risk of personal effects and ride supplies bouncing or jostling free on an unforgiving surface. A full-length front zipper, silicone grip at the hem, and the standard complement of three rear pockets add functional elements of fit and convenience, while reflective elements help keep you visible so you're free to do the Aero Race 5.0's nefarious bidding even in low-light conditions.


Details

  • Velocity Dry fabric at front side
  • Dimpled 3D fabric at back, shoulders
  • Three rear pockets with compression band
  • Silicone gripper at waist
  • Full-length zipper
  • Item #CST005R
Material
[front] Velocity Dry, [back and shoulders] 3D
Fit
aero race
Zip
full-length camlock
Pockets
3 rear
Recommended Use
road, triathlon
Manufacturer Warranty
1 year

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