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Castelli Velocissimo 3 Bib Tight - Men's


Item # CST00DM

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Item # CST00DM


Comfortable chill.

We've all been there, patching together winter kit and pushing the limits of how deep into the winter we can make our summer shorts work with an aging pair of leg warmers. As fun as it is to take pride in minimalist kit and toughing it out in the elements, riding in the chill is a whole lot more comfortable when you're in a proper pair of winter tights like Castelli's Velocissimo 3 Men's Bib Tights.

The Velocissimos are built from soft, warm, and stretchy Thermoflex fabric, a staple across Castelli's cold-weather line. Thermoflex's brushed lining keeps the cold out and wicks moisture without irritating skin. The bibs are made from light, breathable mesh, and the KISS Air chamois insert affords enough comfort for all your long-mile, base-building needs. The fit is snug and streamlined, making them ideal for early season races over unexpectedly frost-covered roads, with zippered ankles to hold the cuffs snuggly in place.

Castelli recommends these bib tights for use between 45 and 60 degrees Fahrenheit, but you may find them useful in lower temperatures depending on your intended effort levels for the day. The more cold-compatible among us definitely wear them into the low 40s.

  • Warm cycling tights for comfort on chilly days
  • Stretchy thermal fabric provides warmth and freedom of movement
  • Comfortable mesh bib straps facilitate layering
  • Reflective accents increase visibility to others

Tech Specs

yes, KISS Air
yes, mesh
yes, reflective accents
Recommended Use:
Manufacturer Warranty:
1 year



Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

[large] 288 g

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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Avg. ride time: 4h 22m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Another nice Castelli piece!

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

Castelli states this piece is good to a temperature range of about 45-60 degrees F. I tend to run cold but with the addition of some knee warmers on a recent ride, I can attest to the 45-degree limit. My legs stayed slightly coolish but my knees were toasty warm so all-in-all it functions just as Castelli describes.

Even better for those of us who run cold, I used them under a pair of uninsulated but windproof cycling pants the other day when temps were in the upper 20s and they were perfect! My legs stayed comfortably warm and never felt overheated. I'm guessing I could ride into the middle to lower 20s and still be comfortable.

They fit pretty snugly but I think that's just the way Castelli fits in their bibs (I have a couple other pairs). As always, I buy the next size up since Castelli runs small.

Avg. ride time: 10h 34m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

tight straps but fits well.

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

When i first put them on the straps seemed very tight. I thought it was going to be an issue and it hasn't been.

Been using them for a few weeks now. I would recommend them again.

Avg. ride time: 1h per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Trial run

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

This review based on my first ride with this bib tight. 25 mile ride. I'm 6', 175. The fit is great, bought a medium. From the waist down is a comfortable race fit, however I'm a bit long in the torso so the bib straps are a little tight with the medium but not enough to cause discomfort and actually stretched out a bit during the ride and they will likely stretch a bit more over time. The pad is very comfy, thought it might be a bit tight against my junk because of the tight straps but was totally fine. Will see how it does on longer rides. All in all, am very satisfied with the fit and feel and kept my legs warm, though it wasn't super cold, I didn't over heat either. Though I indicate it runs small I like the tighter fit, so for me it is actually true to size.

Matts review matches what i have seen exactly.

Unlike Matt I couldn't even fit in the Medium yet I am 5'11 / 160lbs. Kept the Large. Love them. Much tighter (almost compression?), warmer and better built than the Pearl Izumi I had been wearing (they feel like pajamas now). Tight around the ankles which makes me worry a little that the zipper won't last. And definitely good for riding in the 30s. Strong recommendation. And hope them make them as knickers.