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Item # GIO0450 Past Season Colors

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  • Black/Titanium/Cyan, S ($112.48)
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  • White/Black/Cyan, L ($112.48)
  • White/Black/Cyan, XL ($112.48)
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  • Black/Titanium, L ($112.48)
  • Black/Titanium, XL ($112.48)
  • Black/Titanium, XXL ($112.48)
  • White/Black, M ($112.48)
  • White/Black, L ($112.48)
  • White/Black, XL ($112.48)
  • White/Black, XXL ($112.48)
  • White/Black, 3XL ($112.48)
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Item # GIO0450

A true game-changer.

With Giordana's new EXO System Jersey, it pursued the Holy Grail of cycling jerseys -- the balanced combination of comfort, support, and aerodynamics. Not surprisingly, Giordana nailed it on the first try. With five fabrics, three of them brand new, and a cut that both supports the muscles and provides an aerodynamic profile, the EXO System is breaking down the boundaries of what was previously thought possible with 'just' a cycling jersey.

It's no secret that Giordana recommends wearing the EXO system as a 'system,' meaning that the jersey and shorts are intended to function as singular entity. However, while the EXO bottoms place a focus on compression, the jersey draws its inspiration from aerodynamics. The reasons for this are simple. While the benefits of compression design are easy to follow at the legs, your legs don't have lungs to worry about compressing. This imposition on breathing left Giordana to focus on aerodynamics at the torso and compression at the sleeves. Why the sleeves? Because the arms are the upper body's first response to road vibration and the resulting muscle oscillation. Accordingly, the EXO jersey features Giordana's newest fabric, Asteria 2.0, at the sleeves, shoulders, and center back panel.

Now, Asteria 2.0 isn't a 'compression' fabric. Instead, it features a relatively high composition weight of 130g/m2. However, what it lacks in fiber weight, it makes up for in threads per square centimeter, or TPC. Prior to this material, Giordana's HC44 fabric boasted the highest TPC in the cycling industry, at 44TPC. However, this high thread count is now shared with Asteria 2.0. Accordingly, the characteristics of this construction lend themselves to increasing the softness of the material, while concurrently improving the fabric's ability to conform to the body and manage moisture. So, with this balance of strength and conformity, the arms' muscle groups are thoroughly supported, while still retaining their ability for movement and flexibility.

At the front panel of the EXO jersey, we find another new fabric, A.i. One. This material is exclusive to Giordana, and you're about to find out why. A.i. One was commissioned by Giordana, making proprietary alterations to an already stellar construction. The end result is a two layer fabric that's composed of two different filaments. At the inner-layer, Giordana implemented a 'special' weave that essentially creates air pockets between the skin and the material. Of course, this creates a cooling sensation, but the weave also enhances breathability, while rapidly wicking moisture away from the skin. At the outer-layer of A.i. One, Giordana incorporated a polyester microfiber that's produced from recycled materials. And like the inner-layer, the outer-layer also makes use of a 'special' weave. Accordingly, this layer features an omnidirectional stretch that Giordana describes as 'mechanical stretch.' Additionally, Giordana added two separate treatments to A.i. One, an antimicrobial and an adaptive. So, one prevents the proliferation of bacteria in the fabric, while the other aids in thermo-regulation. As a result, you remain clean, comfortable, and more importantly, cool.

Along the rear panel, Giordana borrowed technology from FormaRed Carbon, incorporating its Host Carbon fabric throughout. This material features a lightweight composition with a carbon fiber filament. Why? Essentially, with the carbon filament, material stretch becomes omnidirectional and controlled, but not just in the supportive sense. Basically, the carbon reinforces the honeycomb-knit Lycra, making it lighter, yet stronger, and allowing to universally stretch in all directions, not just four-way. Additionally, the carbon fiber blocks out static and rogue atmospheric electrical interference for an increased anaerobic output and a delayed onset of fatigue.

Now, the omnidirectional stretch of the aforementioned fabrics allow the jersey to sit closely next to the skin without inhibiting your freedom of movement. And as a result of this 'next-to-skin' fit, airflow remains more attached over the body, minimizing your aerodynamic profile. Not surprisingly, Giordana incorporated a few more features in order to bolster this design trait. At the collar, Giordana utilized what it calls a 'no-profile integrated collar.' This means that there's no material over the neck, streamlining your body position whether over the hoods or down in the drops. Additionally, the sleeve position is secured by Giordana's venerable LoPro 30 cuffs. These are comprised of a very low-profile band with an internal silicone gripper for attachment. These grippers alone perform wonders at minimizing drag, but in the spirit of both maximizing support and aerodynamics, Giordana cut them low to right above the elbow.

For storage of ride essentials, the EXO jersey features three rear pockets that have been given flaps in order to maintain the jersey's aerodynamic profile.

The Giordana EXO System Jersey is available in six sizes from Small to XXX-Large and in the colors Black/titanium and White/black.

  • A.I. One front panel
  • Asteria 2.0 shoulders and sleeves
  • Host Carbon cuffs and waistband
  • LoPro 30 pocket, underarms, ventilation
  • No-profile integrated collar
  • Three rear pockets with aero flaps

Tech Specs

[front panel] A.i. One, [shoulders and sleeves] Asteria 2.0, [rear panels] Host Carbon, [cuffs and waistband] LoPro 30, [pocket, underarms, and venilation] Kite
full-length camlock
UPF Rating:
3 rear
Recommended Use:
road cycling
Manufacturer Warranty:
1 year

Size chart



Size Chart


Men's Apparel
Chest 34-35in
(86.4 - 88.9cm)
(91.4 - 94.0cm)
(96.5 - 101.6cm)
(104.1 - 109.2cm)
(111.8 - 114.3cm)
Natural Waist 25-28in
(63.5 - 71.1cm)
(71.1 - 81.3cm)
(81.3 - 91.4cm)
(91.4 - 101.6cm)
(101.6 - 111.8cm)
How to Measure:
For best results, take measurements over your underwear.
Measure under your arms, around the fullest part of your chest.
Natural Waist:
Measure around your natural waistline, keeping the tape a bit loose.


Reviews & Community

Quality that's what you'd expect.

  • Familiarity: I've used it several times
  • Fit: True to size
  • Size Bought: large

The quality of the piece is outstanding. Great attention to detail. The jersey is made for warm/hot weather. No tall collar. Very breathable. And it's lightweight while not being flimsy. Paired with Giordana's Forma Red Bib Shorts and, well, you're good to go!

Small Strange Fit

  • Familiarity: I returned this product before using it
  • Fit: Runs small
  • Size Bought: M then L

First of all I WISH this fit right, the jersey is very high quality
I'm 5'8" 160, wider shoulders. Normally i'm medium, medium was MUCH too tight.
Tried large, still much too tight.
Seems as if this would only fit people with very slim arms and narrow shoulders.
Also it seems cut to be bending over in the saddle, so wearing it when upright on or off bike is uncomfortable and it pulls your whole upper body forward.
Even if it fit perfect i wouldnt pay full price $250, but the $100 sale price would be debatably worth it if it fit

Best feeling jersey I have owned.

  • Fit: Runs small
  • Size Bought: XL

Wore it for the first time today and it is the best feeling jersey I have ever owned. I'm 5'8", 155lbs. Bought XL and it is a good fit.

Avg. ride time: 6h 22m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Great Summer Jersey

  • Fit: Runs small
  • Size Bought: Large

Fits slim, cooling on those 100+ days, looks great. Bought it for my yearly goal ride - Climb to Kaiser. As for fit, think Castelli.

Expected more

  • Familiarity: I've put it through the wringer

I have used Giordana for several years now and would put the FRC line up against anything, truly great stuff. So when the EXO came out I was excited to see what improvements had been made. The arms are snug, long, and aero, no complaints there. The body material is comfortable but I was expecting a snug race fit, like a second skin, not the case here it tends to bunch up. It is also very long in the torso, much longer than the FRC jerseys. Hanging down almost mid rear-end with a couple things in the pockets. They also put a "flap" over the top of the pockets, I suppose it helps keep things in but it also makes it hard to get at items. Branded as a game changer, especially for the cost, I expected better. I'll stick with the FRC line. The bibs are a different story, but that's a different review, they are however fantastic.

Avg. ride time: 21m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Perfect Jersey

  • Familiarity: I've put it through the wringer

By far the best jersey I've ever owned. The fit is great. Tight and still long enough. I'm 6' 1" 185lbs and I wear a large. Other jerseys just feel cheap compared to the exo. Well worth the money.

Too tight in the arms for my size

  • Familiarity: I've used it once or twice and have initial impressions

Used it on 2 rides. The shirt fabric is great but I don't like the elastic on the arms at all. It is way to tight for my body type (athletic, 6'-3"' 195lbs). I bought size XXL, and with other brands I use that size would be ok on chest/arms, normally wide on the waist.

They should use a more forgiving elastic for the arms. No need to have it so tight for an XXL size.

Avg. ride time: 54m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.


    I just picked up a pair of these and I'm very impressed! I didn't think Giordana could do better than the FRC but they somehow managed. I have 5 rides on them now and its the first jersey I reach for in my drawer. This is the first jersey I've ever worn that I immediately wash when I get home so it will be ready for the next ride. Guess its time for another pair.

    Fit is American, but slim with a wide chest. I'm normally Medium to Large and the Medium is plenty big.

    I hate to say it, but my Assos shorts may now be set aside for trainer rides.