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Castelli Prologo V Jersey - Men's

Sale $58.47 - $89.95

Item # CST00G4

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Item # CST00G4

Evening ride companion.

When you're racing home from work to squeeze in as many miles on the roads as you can before sunset, reach for the Castelli Prologo V Jersey then get out the door and onto your bike. As you pedal away the day's stress, the Prologo V's double-layer fabric will draw moisture away from your skin before you know it's there, even if the temperature refuses to drop with the setting sun.

Castelli gives the Prologo a slightly more relaxed fit than the brand is known for, which translates to a slim, tailored silhouette that won't guilt you too much for indulging in Friday donuts at the office a few hours prior to your ride. Other details, like airy mesh panels and a low-profile collar that protect your neck, continue the reliable legacy this Castelli mainstay has had since its first generation.

  • Trust this jersey to be your weekly training companion
  • Stratus Plus two-layer fabric rapidly wicks moisture
  • Mesh accent panels enhance ventilation as you ride
  • Regular cut has a more forgiving fit than race kit
  • Traditional 3 pocket design provides ample space for fuel
  • Zippered rear pocket securely holds onto a key

Tech Specs

Stratus Plus
3 rear, 1 zippered 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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One of my favs

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

This one is killer. I have an XL that fit me comfortably when I weighed 188. Now I’m down to 180 and the L is a perfect snug race fit.

Avg. ride time: 17m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Good jersey for everyday training/riding

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

Love Castelli stuff. Great quality, materials, and styling. I usually wear a Large in Castelli (race cut fit) so I ordered a Large in this jersey. It is baggy and loose around my waist. With my cell phone in right back pocket, the jersey slides to the right side. I recommend ordering in your "normal" size if you want a proper fit with this jersey. It is MUCH looser than other Castelli "race fit" jerseys. I realize that may seem obvious, but I just ordered the size I'm used to ordering in Castelli, and this jersey is too big. I still wear it but prefer a much tighter, "flap free" fit. I'm by no means at my old racing weight (145 lbs) but even still, on my 173-ish pound frame, this jersey is still too big in a size Large. I would definitely buy another, just in a smaller size, having learned my lesson.

Avg. ride time: 2h 9m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

As described....which is perfect.

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

This jersey is exactly as described. The one I find myself always wanting to I have a couple of them now. The pockets easily fit a day's worth of stuff (wallet, phone, gels, beers, etc.), the fit is not sausagey, nor is it baggy, and the fabric is light and airy. Runs "True to Size" if you know your Castelli size. If not, order one size bigger than normal jerseys.

Perfect jersey!

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

Just purchased this jersey and it's perfect! Being in my late 50's, I really don't need a wind cheating, skin tight jersey. Just something with good fit, comfort and looks nice. This jersey checks all the boxes. May just buy a couple more of these!

Jersey fit

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

This jersey is awesome. It isn't a typical race fit. But for training and week day rides, it is awesome.


  • Fit: True to size

This the best "value" Castelli jersey in years. In fact, a great jersey at any price.

Best features:
*Rear pockets with reinforced stitching.
*Vented material under arms and across the upper back.
*Solid waist band stays put.
*Upper zipper/neck guard.
*Even a rear zippered pocket (a surprise at this price point).
*High quality zipper (with pull). Zips up & down easily to dump heat -as when climbing.

And Castelli nailed the styling this year. Much better looking than previous editions of the Prologo.

I pair this jersey with a vest fishnet baselayer (like Castelli's "core mesh 3") for max performance in really hot weather (>80°), or when climbing.

***Fit & Sizing***
"Semi-form fit." Not tight fit like most of Castelli's more expensive Rosso Corsa (race) jerseys. So you don't have to have a pro cyclist's body to wear this jersey.

Sizing: As Castelli vets know, you usually need to size up +1 with Castelli jerseys. Not here! This jersey wil fit in your normal street size. Possibly size *down* one size if you desire race fit.

I had to return mine it seems that they forgot to finish sewing half of the zipper side of the jersey Quality control issues.
But if your unsure of size order 1 size up

I agree. Castelli design is A+, but QC is sometimes B+. Exchange for a good one. CC will pay for shipping.