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While Castelli is at the forefront of fabric technology, it also knows that sometimes the best designs are simple and clean. The Prologo 3 jersey exemplifies clean, classic design.

And while the Prologo 3 is a simple design, it has just enough 'tech' to make it ideal for long rides. It was sewn from Castelli's Stratus fabric. This material features dual layers which are designed to effectively pull moisture away from your skin to keep you dry. The hand is soft and light for comfort against your skin. Castelli also infused the jersey with its Prosecco treatment. This hydrophilic treatment helps to spread moisture over a larger surface area so that it evaporates even faster. A full-mesh panel was added to the back for ventilation and if that's still not enough, you're able to open the full-length zipper.

The form fit of the Prologo 3 jersey includes raglan sleeves that are slightly articulated so that you are able to move freely while in riding position. It also keeps fabric from pinching under your arms. To keep the jersey in place a full elastic waistband was added. Three full-sized rear pockets hold all of your riding essentials and reflective accents aide in low-light visibility.

The Castelli Prologo 3 Jersey is available in six sizes from Small to XXX-Large and in the colors Acid Green/black, Anthracite/white, Black/red, Black/yellow fluo, Ocean/white, Red/white, and White/black.

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Here's what others have to say...


Good fit

  • Familiarity:I've used it several times

I'm 5'11" 150 with slim athletic build and have a Large jersey. The fit is great. Not super tight but not baggy when in in the saddle. The zipper at the bottom can be a little tricky but otherwise very solid.


Really wanted to like it but....

  • Familiarity:I returned this product before using it

The zipper finally just killed it for me. It may have just been the jersey I received but I could not zip it with one hand and when trying to completely unzip it felt like I was going to rip the zipper off. The fit was great and loved the feel, just afraid I was going to rip it up with that damn zipper


My Fave!

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

As some other reviews state sizing can be inconsistent . I have three of these in different colors Two large an one medium . The newest large fits much looser than the one I purchased a year ago. So I picked up a medium fits perfect. That being said out of 15-20 jerseys in my closet ranging from all prices . This is still my favorite everyday jersey to ride in.


great jersey, especially for the price

  • Familiarity:I've used it several times

classic Castelli styling, materials, construction and fit. I'm 5'10" / 165-lbs with a 41" chest and the XL has a nice form fit, it's not a race fit (I like my jerseys to be a little loose). castelli adds the zippered pocket on the side of the back 3 pockets which is a nice feature. overall I'm extremely pleased with the fit/feel of the jersey, and with a little luck you can find it on sale.


Good jersey

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

I'm satisfied about this product.

Above all, the price is cheap than other castelli product.

The fit is a little looser than other castelli jerseys S size.

so, I feel comfortable. however this is the unfortunate point.

My favorite style is Race fit style.


Great for the price

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

I love the simple design. It's almost retro. The fit is just slightly looser than other Castelli jerseys I own. This is definitely not a race cut.

I am 6' 160lb and wear a medium. I should order another one while on sale...


Almost Perfect

  • Familiarity:I've put it through the wringer

I have several of these jerseys and have only one complaint, the zipper. It's a fine tooth zipper that's hard to start and even harder to adjust with one hand while riding. Other than that I like the cut, fabric and styling but wish they had used a coarse tooth zipper like those found on the Velocissimo jersey.


Functions well, but color sun faded

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

I loved this jersey, unitl the end of the season when I noticed the color difference between the front, the back and the arm pits. I purchased the anthracite color, but it is now many shades depending on where you look. Also the red from the Castelli logo ran into the white. I have ten year old jerseys that look better. Disclaimer: I ALWAYS wash on cold, delicate and hang dry. I have never had a piece of cycling clothing loose color so fast from the sun.


Solid jersey once you get the size right

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

OK i know the euros are much tinier than the 'mericans. BUT this ran much smaller than expected. I purchased this as a gift for my dad and it was a size too small. He normally wears a L but had to go for an XL (but then returned it again for an XXL because he didn't like his belly showing through the neon green fabric)

If you're normally a L , I would suggest going up 1 size.

This top is basic and does the job. Always a fan of Castelli. This product does not disappoint!



  • Familiarity:I returned this product before using it

Loved everything but the zipper. Not the usual Castelli zipper and the zipper was backwards from a standard man's zipper. Zipper was also hard to get started. Loved everything else though.


Too small...

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

I know the Italians like tight fitting gear.... but this is ridiculous!

I am 5'10", 187 lbs and this felt like a small on me. The material and design was nice (I did say Italian) so pity the size. BC did me right on the returns though... am very happy with that.