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Castelli Gabba 2 Jersey - Short-Sleeve - Men's
Sale $65.00$179.95 64% Off

Item # CST002K

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Item # CST002K


Pro-level protection.

Trying to choose between a heavy jacket and your standard cool weather jersey-and-warmers combo gets old fast, especially after you've chosen incorrectly a few times and wound up with stiff, frozen arms or spent an entire ride soggy and overprepared. Rather than trust your own weather assessments, brave the volatile shoulder seasons in Castelli's Gabba 2 Short-Sleeve Men's Jersey. Wear it with Castelli's Nanoflex Arm Warmers when the weather takes a turn for the worse, and you'll stay warm and able to breathe in windy and wet conditions.

To strike that difficult balance, Castelli crafts the Gabba 2 using Windstopper X-Lite fabric, a lightweight, breathable synthetic engineered to block icy gusts while still allowing sweat to evaporate at its surface so you stay cool. It's also treated with a water-repellent finish so that surprise rain showers don't leave you saturated, and Nano Flex inserts along the underarms add ventilation and breathability to a more sweat-prone area.

According to Castelli, the Gabba 2 works best in temperatures ranging from 50 to 64 degrees Fahrenheit, but your comfort will ultimately depend on how hard you're riding and how you choose to layer. And don't be alarmed to find the Gabba 2 fitting tight across the chest and shoulders when you first stand up in it; Castelli does this on purpose to guarantee its kit follows your body position perfectly once you're in the saddle.

  • Brave windy and wet weather in this iconic jersey
  • Clean race fit eliminates flapping fabric
  • Windstopper X-Lite fabric blocks wind but breathes
  • Water-resistant finish blocks light rain
  • Full-length zipper allows for mid-climb heat dumps
  • Silicone waistband gripper prevents a wandering hem
  • Three rear pocket stash spare tubes and granola bars
  • Reflective accents help you stay visible to motorists

Tech Specs

[body] Windstopper X-Lite, [underarms] Nano Flex
fall, winter, spring
Windproof Rating:
<1.0 cfm
3 rear
Recommended Use:
Manufacturer Warranty:
1 year

Size Chart


Men's Apparel
Chest 36.2in
Waist 31.5in
Hip 37in
Inseam 31.9in
How to Measure:
For best results, take measurements over your underwear.
Measure under your arms, around the fullest part of your chest.
Measure around your natural waistline, keeping the tape a bit loose.
Measure around the fullest part of your body at the top of your legs.
Using pants that fit well, measure the crotch seam to the bottom of the leg.

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My Go To Winter Jersey

  • Familiarity: I've used it several times

The Gabba is one of the most versatile garments in my cycling wardrobe. You get the perfect combination of warmth, looks and a glovelike fit. The price I paid was way below retail and a few of my teammates have taken advantage of the sale and bought one as well.

So far I've used it temps ranging from the mid 30's to mid 50's. With a light base layer, it seemed more suitable for the mid to upper 30's to mid to upper 40's. Depending on your effort, anything more than might be a bit too much. One other aspect I like is the flap in the back which provides good coverage and if need be, you can easily tuck up inside the back of the jersey.

Love It

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

Fits great. I'm 5'8" and 146 lbs and purchased medium. Snug so no flapping fabric in any position. I've worn it once on a day a tad warmer then expected. I did heat up but as the cooler temps come it'll be perfect.

Great winter jersey

  • Familiarity: I've used it several times
  • Fit: Runs small
  • Size Bought: Large

Jersey isn't waterproof by any means but an awesome addition to the closet for cool fall/winter riding when foggy or showers and don't need too many layers as it's pretty warm. Fit is typical Castelli which I normally wear a Large jersey in and was the case with this form fitting jersey which is pro fit on the bike in any position.

Avg. ride time: 6h 10m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Great Fit and Versatile

  • Familiarity: I've put it through the wringer
  • Fit: True to size
  • Size Bought: XXL

This is a perfect shoulder season piece. I prefer to wear this with arm warmers on cooler mornings, rather than a jacket. Comfortable, but, tight fit. The tail of this jacket provides great coverage for taller riders. I'm 6'6" and don't have any sizing issues. Probably one of the most versatile pieces that I own. Comfortable between 40-60 degrees, if paired with proper arm warmers, etc.

great fit

  • Familiarity: I've used it once or twice and have initial impressions
  • Fit: True to size
  • Size Bought: medium

warmer than a conventional jersey.


  • Fit: Runs small
  • Size Bought: XL

perfect for the first cold and wait day of fall
a plus at 6AM for the ride

Love this Shirt!

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

The perfect shirt for zero to 15 degrees (celsius).
Looks and feels awesome!
*Castelli runs small in general.

Excellent quality

  • Fit: Runs small
  • Size Bought: XXL

I recently made my first Castelli gear purchase - the Alpha long sleeve wind jersey, and it is excellent. So I bought the Gabba 2 and it is made of the same materials as the Alpha: wind stopper fabric, made for light rain protection, etc. It is a very heavy material for a short sleeve jersey. I would definitely not wear above about 60-65 degrees, but for the in-between days, it is great, especially if it is very cool early on, add arm warmers, then peel them off as it warms up.

It runs small; I usually take take an XL in a cycling jersey and the Gabba 2 XXL is still very snug. Excellent product. I am now a Castelli fan.

I Have Four

  • Familiarity: I've used it several times
  • Fit: Runs small

I live in the UK and, with our variable weather, I use this jersey all year round when it is likely to be changeable on a ride, when it is cool and/or drizzly. In fact I now have four of these tops - two of which are convertible; it is really handy to be able to zip the sleeves on or off. I certainly wouldn't wear on a hot day as the Gabba really keeps you warm but if I only had one cycling jersey it would be this one. It is annoying that they are so much cheaper from Competitive Cyclist in the USA when the shipping is so expensive to get it to my home.

Must have kit

  • Familiarity: I've used it several times
  • Fit: Runs small
  • Size Bought: Large

The Gabba is a must have part of your cycling kit. Keeps you super snug on those chilly days but allows your body to breath so you don't overheat. It's also great in the rain. The water beads on the surface and it simply runs off. The fit and feel is great. I'm 5,10 medium build but take a large in Castelli which is perfect. This is my second gabba and I would have no hesitation in purchasing a third.

Great for the hard to dress for day

  • Familiarity: I've used it once or twice and have initial impressions
  • Fit: Runs small
  • Size Bought: Large

I have a long sleeve Gabba 2 jersey that I worked hard this winter as I commuted back and forth to the office. The long sleeved version was great for everything down to the low 30's (with a heavy base) to the low/mid 50's (without base). I did find, however, that those 55 degree afternoon rides were a bit too warm for me in the long sleeved version. This short sleeve Gabba 2 does a great job of blocking the wind and providing enough warmth to keep me warm without roasting me at the same time. Personally, I'd be confident in the short sleeved Gabba 2 from 45 - 65 in good weather. Rain would alter that equation.

Why the name Gabba?

  • Familiarity: I've put it through the wringer
  • Fit: Runs small

In August 2009, Castelli held a series of meetings with Cervélo TestTeam riders to ask them what their desires were for improvements to their pro cycling wardrobe.

Cervélo rider Gabriel Rasch (nickname "Gabba"), the '03 National Road Champion of Norway, asked for something that did not exist at the time.

A short-sleeve jersey for Winter/Spring training that could: (a) provide thermal protection for use in cold weather; (b) a fabric that did not flap in the wind and thus slow the rider down; (c) and a jersey that provided good fog/mist/drizzle protection; and yet... (d) a textile that actually/effectively vented-away the kind of sweat production generated during high-output riding.

In sum, Gabba (and his teammates) wanted a jersey that could protect them against the nasty, cold, wet, yet variable weather conditions encountered during training and racing in late Winter and early Spring in Northern Europe.

So, Castelli (in collaboration with textile leader W.L. Gore) developed a new kind of garment - one that would satisfy Gabriel Rasch and Team Cervélo. The rest is history.

The "Gabba" jersey quickly became such a favorite in the pro peloton that even non-Castelli sponsored riders would personally buy Gabba jerseys, blackout the lables, and race/train in them -including guys like Cancellara.

The Gabba short-sleeve jersey is designed -to match- with Castelli's water-resistant Nano Flex arm-warmers. Start your cold morning ride with arm-warmers (and knee warmers) on and remove later if/when the sun peaks out.

I wear the Gabba jersey over a mesh or light polypro vest baselayer for maximum performance. Castelli and Craft make great ones.

Sizing: Size up +1 from your usual street size, per usual with Castelli. Even then it will be snug -as it should be.

**The Gabba is part of Castelli's Rosso Corsa (race) line. This jersey is definitely tailored slim for the target rider: slim/fit/athletic riders.

Worth every cent

  • Familiarity: I've used it once or twice and have initial impressions
  • Fit: Runs small
  • Size Bought: Medium

- Great quality
- Race Fit
- No need for anything else even at 3 celsius
- Add some arm warmers and you have an all winter condition solution

My best winter Jersey

  • Fit: Runs small
  • Size Bought: Large

This is my second pair of Gabba 2 Jersey. I wear this from Temp 40-30 deg F . I just change different underlayer.


  • Familiarity: I returned this product before using it
  • Fit: Runs small
  • Size Bought: Med

HATE to return it! Beautifully made, handsome design, in perfect Surf Blue- but very tight up under arms and across chest- MED is too small for 155# broad-shouldered male, but the LRG might have a comically long tail.
This is more of a jacket for colder weather rides.
Buy the MED if you're 5'6" to 5'10" and pretty skinny.

A litle bit unconfortable

  • Familiarity: I've put it through the wringer
  • Fit: Runs small
  • Size Bought: Large

The fabric is a litle bit stiff and rash my neck, but is an intersting tool to ride at wet enviroments. I advice size up

Great kit

  • Familiarity: I've used it several times
  • Fit: Runs small
  • Size Bought: Small

While it sure does fit snug, it also feels like like armor against cool weather. It has a very solid construction, and the windstopper keeps out the cold. Thankfully, the sleeves are a bit longer, so it's easy to pair with arm warmers without that annoying gap at your triceps. I'd take this over a jersey+vest combination any day.

Avg. ride time: 53m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Loves variable temps

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

I have only had this for a few weeks, but here in Oregon we have still had some cold/cool mornings. Rode it in 42 degrees with arm warmers and base layer and it was great. I have also used it a few rides in the low 50s and again it performed well. Great fit, no flap, the pockets are a bit small, my only minor issue, but all in all a great all rounder piece for people who ride in a variety of conditions. Size up!

Avg. ride time: 11m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Best money I've spent cycling!

  • Familiarity: I've put it through the wringer
  • Fit: Runs small
  • Size Bought: xl

All the 5 star reviews this jersey racks up are well deserved. Not much I can say that hasn't been said already. I've lived in this jersey this winter. its as warm if not warmer than my Mortirolo 3 jacket.

Absolutely amazing jersey/jacket

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

I can't speak highly enough of this piece of kit. It's an extremely comfortable jersey, not just because of fit, but for how well it insulates against the cold. I've worn this in the 50s by itself and it's perfectly comfortable, even in gusty and cold winds.

Thing is, though, it's equally comfortable in lower temps as well. I am extremely comfortable -- warm even -- into the low 40s, wearing nanoflex bib shorts, arm warmers, a craft windstopper baselayer, and this jersey.

I don't know that I'd deliberately wear this jersey if the temps were starting in the 30s (mainly cuz I have a longsleeve, heavier, gabba jersey for colder temps), but I have ridden with this jersey when the temps started in the 40s and later dropped into the mid-30s: perfectly comfortable. It does a great job trapping in my body heat to keep me comfy, but does not overheat. I have found with other combinations of apparel for the lower temps, I am able to stay warm, but I sweat like a horse. Not with this thing. I'm comfy, warm and dry in temps ranging from the 30s to 50s. Haven't tried it yet into the 60s, but I am confident that if it's "chilly 60s" this thing would be amazing.

Versatile, comfortable, effective. I can't say enough about this piece.

The pockets in the back are little narrow. If I could have my way, I'd like to see them a little bigger. Also, caveat emptor, this piece is tight fitting. If you have a roll around your center, you're not gonna hide it with the gabba 2. It won't hold anything back!

Love, love, love this jersey.