Louis Garneau Carbon Ion Jersey 2

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Manufacturer Description

The Carbon Ion Jersey 2 is a 126-gram jersey, one of the lightest on the market. Made of 95% polyester and 5% Resistex carbon fiber, this jersey is super lightweight and amazingly breathable. Carbon fibers help reduce static and facilitate upper body circulation.


  • Fabrics
    • Carbon Ion
    • Carbon Ion Superleggera
  • Full length zip
  • 3 angled back pockets
  • Flatlock seams
  • Elastic at hem
  • Front and back reflective logos
  • Profit
  • Measured size medium
    • Weight – 120 g (4.2 oz)
    • Center Back – 67.7 cm (26.7 in)
    • Pit to Pit – 49.5 cm (19.5 in)
  • Retail – $99

YMMV Review

I have now done several review of Louis Garneau’s gear for the site. This was, however, the first jersey I have tried of theirs, and I did it in conjunction with the Neo Power Bib Shorts and Mondo Gloves. This kit has served me well in the hot summer here in Bend, Oregon. Where it is routinely 95 degrees on my summer rides. Louis Garneau is one of the top cycling manufacturers, and I am thankful that they were willing to work with my site to do these reviews.

Full Louis Garneau Kit from the Front


Since this is a road cycling kit, I tested it on my road rides this summer. I used it on several different road bikes and on rides varying from 20 – 80 miles. The weather varied from 50 – 95 degrees on my rides, and they were all cry as this is the high desert.

Design ★★★½☆

Appearance (25%) ★★★☆☆

Construction (30%) ★★★½☆

Pockets (20%) ★★★☆☆

Sustainability (10%) ★★☆☆☆

Weight (15%) ★★★★½

First thing you will notice with the Carbon Ion jersey 2 is how thin and light it is. I tested this in conjunction with the Neo Power Bib Shorts, and the thickness of the two fabrics is polar opposite. Where the shorts are on the thicker side, the jersey is so thin you can nearly see through it. The jersey is made of two fabrics: Carbon Ion and Carbon Ion Superleggera. Carbon Ion fabric is the main fabric of the jersey. It is an ultralight technical knit composed of 95% polyester and 5% Resistex carbon fiber.

Louis Garneau Full Kit from the Back

Resistex carbon fiber is an interesting fabric addition. Without going overboard explaining all the scientific stuff of Resistex Carbon, I will explain it in short. Resistex Carbon has a dissipative antistatic effect and ensures protection against electric disturbances. Essentially the Resistex Carbon can prevent electric charges from settling on the body, thus avoiding a negative reaction on muscular contractility. Resistex carbon can also accelerate the movement of humidity through evaporation, thus increasing the sensation of well-being and decreasing humidity in case of skin contact. What does this all mean? It should help performance, and that is a good thing. The other fabric used in the jersey is Carbon Ion Superleggera. It is also a technical knit but is composed of 75% Coolmax FX polyester and 25% Politex Carbon Resistex. This fabric is lighter and has better airflow than the main fabric and is thus used in areas that need more breathability. The Coolmax FX fiber has a lasting treatment that enhances moisture transfer. The Coolmax also has an anti-bacterial treatment which is allergy free and does not preserve odors.

Up Close of the Fabric

The jersey has a full-length zipper in the front that can be used to vent as needed. In the back, there are three angled pockets with one of them having a hard to find audio cord exit for running the wire under your jersey. All the seams in the jersey have been flat locked for increased comfort and less chance of chafing. The jersey has an elastic gripper hem to hold it in place at the bottom. This gripper goes completely around the whole hemline. There are reflective logos on both the front and back of the jersey for better visibility. The jersey is part of the Road Performance collection just like the Neo Power shorts. Once again, being a good balance of quality, features, and value. Louis Garneau has four different fits for their tops, and this jersey is the Profit which is their second closest to the body, just looser than Next to Skin. While I was not able to find any information on the sustainability of the materials, at least the jersey is made in the US. For this reason, I gave the jersey a two rating for sustainability.

Fit ★★★☆☆

Arm Length (15%) ★★★½☆

Ease of Movement (15%) ★★★½☆

Fabric Comfort (45%) ★★½☆☆

Torso Sizing (25%) ★★★☆☆

As I mentioned above the Carbon Ion Jersey 2 has a Profit. I ended up testing the size medium which actually fit me good but not tight. Looking now at the sizing chart I think I would have been better off with the small as that is what I should have opted for. I have a 38 chest, and that is what the small is, I imagine that this jersey would have been a nearly next to skin fit in the small. Just based on the medium, I would say this jersey runs slightly small when looking at the sizing chart. The arms are a standard length for a cycling jersey. They hit me at the top of the biceps. The length of the jersey was also right around the standard jersey length if there is such a thing. With a slightly longer back for better coverage in the cycling position, the length of the jersey felt good. I think with regular bib shorts I would have like to have more coverage in the back, but that is why I wear bib shorts.

Three Rear Pockets with Reflective Logo

The jersey has a good amount of stretch to it so it moves well with you and does not restrict movements. I do not feel like I need a lot of stretch in my jerseys as my upper body is much more stationary than my legs obviously are. The jersey is made with Resistex fabric which I have never had in any other piece of clothing. While the fabric seems to have some performance benefits, I did find it a little less comfortable against the skin. It has a rougher feel to it, not as soft as most of my other jerseys are. The fabric was not scratchy or irritating in any way, just a little rough for a lack of a better term.

Performance ★★★½☆

Breathability (35%) ★★★★½

Durability (25%) ★★★½☆

Moisture Transport (25%) ★★★☆☆

Reflectivity (15%) ★★½☆☆

I did like how the Carbon Ion Jersey 2 performed. The fabric is very thin and therefore, breathed extremely well. I liked to use it on hotter days as it was so airy and light. A complete contrast to the Neo Power Bib Shorts I tested with it that is a thicker and little bit less breathable fabric. The jersey also seemed to move moisture well. Since the fabric is so thin it cannot really absorb much and does not let a lot build up underneath it as well. On my rides, it did not feel wet or damp like some jerseys can. During my tests, I noticed in areas like my lower back that the bib shorts would be damp, but the jersey would be dry. The Carbon Ion fabric is a knit so it is important to avoid rough items. I did wear this with a hydration pack on one ride and had no issues with durability. I even crash once when wearing this jersey and did not damage the jersey at all, though I did not crash hard but did mess up my gloves.

Gripper Hem

The jersey has some small logos on the chest and middle back pocket. These logos are reflective and help with visibility but should not be expected for all your visibility as they are rather small. The jersey has three pockets in the back that work as you expect. There is not a lot of flash to these pockets, they are fairly regular. There is a small audio exit port on the inside of one of the pockets. You have to look closely as it is hard to find. I really liked having this pocket as I sometimes like to listen to music when I ride and would rather route the cords under my jersey rather than on the outside. As for the benefits of the Carbon Resistex fabric, it is truly hard to measure any noticeable difference. I am not saying that it does not help, but I was not able to notice any discernible different. If you have tried this jersey and have any comments on it, I would love to hear them in the comments section below.

Collar and Front Zipper

Overall ★★★½☆

Overall, the Carbon Ion Jersey 2 is a great hot weather jersey. It was the first Louis Garneau jersey I have ever used, and it was a good first experience. The fabric is thin and breathes really well. I also found the jersey to be surprisingly durable for being such a thin fabric. While I did not crash too hard, it still was hard enough to do some damage but did not. The jersey has standard features you normally find in a jersey such as three back pockets and a full-length zipper for venting. These worked as expected. The main drawback I found with the jersey was the comfort of the fabric. It had a rougher feeling to it, but once I started pedaling I did not notice it. It did not cause any discomfort; it was just a little rougher feeling. If you are looking for a hot weather jersey, I would suggest taking a look at the Carbon Ion Jersey. The Louis Garneau Carbon Ion Jersey 2 retails for $99, which I think is a good value for what you get. I matched this jersey with the Neo Power Bibs and liked the combination; Louis Garneau makes a lot of options so you can pick the ones that work for you. Of course, your mileage may vary.

Pros [field name=iFrame]

  • Super Lightweight Jersey
  • Thin breathable fabric
  • Surprisingly durable
  • Features work as expected


  • Fabric is a bit rough feeling

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About the Author

I am an avid runner, cyclist, swimmer, hiker, climber, skier and many other activities that would make this list too long. I started Your Mileage May Vary Reviews in Early 2011 to combine two of my passions: sports and gear.

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