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Gabba RoS Jersey - Men's

5 out of 5 stars
2 Reviews

Out of Stock

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

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Gabba RoS Jersey

Some cyclists are graced with a temperate climate, and balmy weather year round, but the bulk of us aren't quite so fortunate. Most of us roll through drastic dips and highs through the year, with scorching summers and icy winters, not to mention the challenging seasons in between. These transitional seasons make for our favorite riding, and we know we're not alone with the classics soaring forward in full force as soon as the ice melts in the spring, but the shoulder seasons pose their own challenges too, often coming in the form of wardrobe confusion. Mornings hit us with frozen dew, but heat up to balmy afternoons, and leg and arm warmers become staples in our kits. Years ago Castelli offered a solution for those early spring and late fall rides, with a jersey that's been fine-tuned to fit flawlessly with arm warmers, making transitions through variable temperatures and weather all the easier. Castelli named that answer the Gabba, and with that, a legacy was born. This year Castelli graces us with the fourth iteration of the Gabba RoS Jersey, providing a sleek silhouette paired with top-tier materials for comfort and more elemental protection than ever before.

To strike a balance between breathability and warmth in windy and wet conditions, Castelli crafts the Gabba RoS using GORE-TEX's newest Infinium fabrics. It begins with GORE-TEX Infinium 205 Warm, brushed waterproof fabric on the front-facing surfaces to slice through icy wind and shower, while still allowing perspiration to escape. This partners up with GORE's Infinium 203 Stretch lightweight synthetic on rear-facing surfaces, which provides a huge increase in breathability and stretch for a tailored fit that doesn't restrict, and ultimate moisture management that doesn't quit when you're putting in major efforts. This is then topped off with a durable water-repellent finish so that surprise rain showers don't leave you saturated.

Castelli continues to pay the same attention to fit as it does to function with the Gabba as it has in years before. The sleeves are forward-oriented and the chest features an abbreviated fit compared to similar offerings from other manufacturers. This will likely make the Gabba RoS feel tight across the chest while you're standing, but allows it to perfectly follow your body position once you're in the saddle. It sits close to your chest and stomach instead of hanging down, eliminating the hippo-reminiscent look that so many of us despise in kit designed for cold or inclement weather, without going so far as to restrict your movement. The Gabba is to traditional winter garb as the burgeoning trend of short bodied, double vent suit jackets with high, round armholes are to the boxy tents that passed for US men's wear in the 1990s.

According to Castelli, the Gabba RoS works best in temperatures ranging from 48 to 61 degrees Fahrenheit, but your comfort will ultimately depend on how hard you're riding and how you choose to layer.


  • Breeze through shoulder seasons with Castelli's coveted Gabba
  • The 4th generation of Gabba features the latest fine-tuned fabrics
  • GORE Infinium 205 front panel slices through wind and showers
  • Manage perspiration and keep dry with Infinium 203 back panels
  • Abbreviated chest panel provides flawless fit in cycling position
  • Taped shoulder seams provide extra protection from showers
  • 2 rear pockets with integrated pump sleeve keep essentials at hand
  • Large reflective panel on drop-tail looks stealthy but boosts visibility
  • Item #CST00TA
[front panels] GORE-TEX Infinium 205 Warm, [rear panels] GORE-TEX Infinium 203 Warm
fall, spring
2 rear, 1 pump sleeve
Recommended Use
road cycling
Manufacturer Warranty
2 year

Overall Rating

5 based on 2 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 0 reviews
5 Stars - 2 reviews

Fits True To Size

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Runs smallTrue to sizeRuns large

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5 out of 5 stars

February 11, 2022

Perfect cool weather jersey

I've used it several times
Size Bought:
6' 2"

This is more of a jersey than a jacket and works great with arm warmers and if cold tight base layer. 6'2" 195lb athletic and perfect fit in xl. ordered both xxl and xl but xxl too loose in gut. Be sure to try fit on the bike not standing as it is cut for cycling position.

5 out of 5 stars

May 4, 2021

Tight but flexible cut

I've used it once or twice and have initial impressions
Size Bought:
5' 8"

Just bought a size-L. I have 33.5-inch waists, and a 39-inch chest. For context, I wear a medium in US shirts/jerseys, a 41 sports jacket, and L in aero cut jerseys. I am generally broad-shouldered, and do light strength training/core work 3-4 days a week. The fit is tight, but the fabric has some give. There is a bit of room in the torso; however it is somewhat tight across the back and through the armpits when standing up straight. The sleeves are tight on my upper arms. Nevertheless, I think the L is the appropriate size for me given that the fabric can stretch a bit. It fits nicely when in the drops. I prefer something that is tight to having fabric flapping in the wind. I am 53 years old, and accept that cycling kit is not all that flattering nor very comfortable to wear at the coffee shop.

Patrick M