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Castelli Mens Go Jacket Red/Silver Gray
Castelli Mens Go Jacket Red/Silver Gray
Castelli Mens Go Jacket Electric Lime/Black
Castelli Mens Go Jacket Electric Lime/Black
Castelli Mens Go Jacket Rover Green/Red Orange
Castelli Mens Go Jacket Rover Green/Red Orange
Castelli Mens Go Jacket
Red/Silver Gray
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Castelli Mens Go Jacket 16
Castelli Mens Go Jacket 19
Castelli Mens Go Jacket 18
Castelli Mens Go Jacket 21
Castelli Mens Go Jacket 22
Castelli Mens Go Jacket 23
Castelli Mens Go Jacket 15

Castelli Men's Go Jacket


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Get Out And Go

This jacket is made for those days where versatility is key. The Castelli Go Jacket can be used as a light shell in mild conditions or go to cold conditions by adding insulating layers underneath. Stretchy, comfortable, breathable, windproof, water-resistant, elegant, and lightweight — this jacket has it all.

Full soft-shell construction starts with Gore-Tex Infinium™ Windstopper® 150 textile, which delivers the warmth you need without compromising breathability. The no-sew waist has a clean and technical look while 3 rear pockets and a zippered chest pocket are perfect for all your ride essentials. Speaking of zippers, the YKK® Vislon® sipper has a rubberized pull for easy operation with gloves.

Even in the coldest conditions, the Go Jacket is prepared for cyclists who prefer night riding. A large reflective strip across the pockets provides low-light visibility, letting you be seen by motorists and other cyclists.


  • Gore-Tex Infinium™ Windstopper® 150 for warmth and breathability
  • Internal stretch wrist closure for perfect glove interface
  • Zippered chest pocket plus 3 rear pockets
  • YKK® Vislon® zipper with rubberized zipper pull
  • No-sew waist construction for clean, technical look
  • Large reflective strip across pockets for low-light visibility

Free Exchanges: This product qualifies for free exchanges within the first 60 days after order. We'll cover the shipping both ways for US customers if you need a different size and/or color of this product. Returned product must be in new condition with all labels and packaging. Free exchanges apply only for product in stock or available for backorder.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

Size Chart



Sleeve Type: Long Sleeve 

Red/Silver Gray - Medium

Mfg PartNum: B4521504023-3 

Red/Silver Gray - Large

Mfg PartNum: B4521504023-4 

Red/Silver Gray - X-Large

Mfg PartNum: B4521504023-5 

Red/Silver Gray - 2X-Large

Mfg PartNum: B4521504023-6 

Electric Lime/Black - Medium

Mfg PartNum: B4521504383-3 

Electric Lime/Black - Large

Mfg PartNum: B4521504383-4 

Electric Lime/Black - X-Large

Mfg PartNum: B4521504383-5 

Electric Lime/Black - 2X-Large

Mfg PartNum: B4521504383-6 

Rover Green/Red Orange - Medium

Mfg PartNum: B4521504303-3 

Rover Green/Red Orange - Large

Mfg PartNum: B4521504303-4 

Rover Green/Red Orange - X-Large

Mfg PartNum: B4521504303-5 

Rover Green/Red Orange - 2X-Large

Mfg PartNum: B4521504303-6 


Ordered by Most Relevant First
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1 stars
Reviewed 1/8/2023
by liketabike
Cycling Enthusiast
New England
Value Rating
Overall Rating
7 of 8 customers found this review helpful.
My 'Go' To Jacket

This is one of those items of which you feel like buying another, just in case Castelli stops making it. It is light but breathable, thin but as others have said, not really packable. It keeps me warm on rides in the New England low 30's, overcast and slightly windy with just a thermal long-sleeved jersey underneath it. It stays pretty well put whether in or out of the saddle. The material is soft to the touch, but not floppy and doesn't rustle with wind or movement. The zipper has a long pull tab and slides up and down very easily, so it's not a chore to zip or un-zip for ventilation as needed. Construction quality is terrific. For reference, I'm 5 foot 8 inches with a 39-inch chest. I bought the large which is perfect for one or two layers underneath. The only thing I would add if I could, would be under arm vents. Those work great for me.

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Reviewed 4/16/2022
by Alan
Cycling Enthusiast
SW Idaho
Value Rating
Overall Rating
7 of 7 customers found this review helpful.
Warmer than expected

This review is after a few rides on gravel with temps in the upper 30s. It is not a thick jacket so it is warmer than I expected with just a long sleeve jersey under it. It totally blocks wind. When climbing for several miles on a sandy road, I did get a bit hot. This should not be a problem for less strenuous riding. It does roll down just barely small enough to put in a jersey pocket, with some sticking out the top. When putting it back on for descents though, it gives fabulous relief from the cold wind. I could use some tights/pants with this material on the front. The xxl fits well over an xl long sleeve jersey. I think adding zipper vents would make it near perfect.

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Reviewed 3/25/2022
by LA/BA Cyclist
Cycling Enthusiast
Los Angeles, CA
Value Rating
Overall Rating
9 of 9 customers found this review helpful.
Dependable in cold & damp weather

This Castelli Men's Go Jacket is a go-to item on a cold autumn or winter day. It's thicker than your average wind stopper and keeps you dry on light rainy days, yet still manages to breathe well so you don't overheat. It's not really a packable jacket (it doesn't really get compact enough to fit in a back pocket or small handlebar bag), but I tend to just unzip it when the weather warms up (or on strenuous climbs) which is enough to keep me from overheating. I appreciate the pockets in the back since many other jackets require that you reach under them to get to your jersey pockets, making it easier to grab a gel, bar or phone. It's got some good reflective accents to keep you visible in low light, just remember to size up since Castelli tend to measure using svelte Italians as their standard. Overall, this is a very solid and dependable jacket.

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Reviewed 12/20/2021
by MKluge
Cycling Enthusiast
Pittsburgh, PA
Value Rating
Overall Rating
4 of 4 customers found this review helpful.
Great jacket!

Super light, wind/water proof and fairly warm for a thin jacket. I have done rides in the 30's w/just a Castelli Base layer and remained warm and dry. Nice discount from Bikes direct so overall very pleased! Fit was snug but not Euro Cut. Very pleased overall.

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