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Pearl Izumi P.R.O. In-R-Cool Bib Shorts - Men's


Item # PLZ000J

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Item # PLZ000J


Once summer's warm breeze turns unbearably hot, Pearl Izumi's P.R.O. In-R-Cool Bib Shorts' heat-reflective technologies step in to help cool things down. When the mercury continues to climb, the Coldblack that's found in Pearl's lightweight and highly-elastic Transfer In-R-Cool fabric reduces absorption of sun rays.

This means not only excellent UFP ratings, but improved heat management too. Additionally, these bib shorts use Pearl Izumi's Transfer Dry fabric, which complements In-R-Cool with Minerale. This is a porous, highly-absorbent yarn infused with crushed volcanic rock to pull moisture away from the skin, accelerate dry time, and combat odor.

Moving on, the multi-panel design that Pearl's summer bib provides uses an anatomic fit, with structured leg openings that wrap and support your muscles. The inseam measures 9 inches (size Medium) with silicone hems to grip warmers and keep panels securely in place. Up top, wide Direct-Vent mesh bib straps seamlessly transition from the shorts and smoothly taper at the shoulders.

Finally, no bib shorts are complete without a quality chamois, which is something Pearl Izumi's well versed in. On these shorts, the Anatomic P.R.O. Seamless 1:1 insert incorporates variable density padding throughout its three-layer construction. The foam technology means that it's lighter and substantially thinner than previous generations. It maintains a pre-shaped, four-way stretch anatomic shape, and the chamois also incorporates Izumi's Pressure Relief Technology (PRT) and active carbon yarns in order to optimize riding comfort, blood flow, and thermo-regulation.

The Pearl Izumi P.R.O. In-R-Cool Bib Shorts are available in five sizes from Small to XX-Large and in four colors: Black, Black/mykonos blue, Black/true red, and Black/stillwater.

  • ColdBlack treatment
  • Minerale yarn
  • 9-inch inseam
  • Direct-Vent mesh bib straps
  • Anatomic P.R.O. seamless insert

Tech Specs

[body] 69% nylon, 16% polyester, 15% elastane, [mesh] 52% Minerale polyester 48% textured polyester, [black lower panels] 69% nylon, 16% polyester, 15% elastane, [sublimated lower panels] 82% nylon, 18% elastane
[medium] 9 in
Anatomic P.R.O. Seamless 1:1
Leg Gripper:
UPF Rating:
Recommended Use:
Manufacturer Warranty:

Size chart

Fuji Bicycles


Geometry Chart


Altamira LTD

Seat Tube


Effective Top Tube








Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop


Chainstay Length



44 44.0cm 51.5cm


36.3cm 72.1cm


72.0 deg 75.0 deg 6.9cm 40.5cm 97.1cm
47 47.0cm 53.0cm


37.0cm 74.1cm 13.0cm 72.5 deg 74.5 deg 6.9cm 40.5cm 97.7cm
50 50.0cm 54.5cm 54.0cm 37.0cm 76.0cm 14.0cm 73.0 deg 73.5 deg 6.9cm 40.5cm 97.6cm
53 53.0cm 56.0cm 56.0cm 37.9cm 78.3cm 16.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 98.6cm
55 55.0cm 57.5cm 58.0cm 38.9cm 80.1cm 18.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 100.1cm
58 58.0cm 59.0cm 60.1cm 39.7cm 82.1cm 20.0cm 74.0 deg 73.5 deg 6.9cm 40.5cm


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Here's what others have to say...


Fit well, comfortable chamois

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

Tried several other brands but find the PI bib's fit me the best. Use them in summer when temperatures run 85-100 degrees F. Generally ride with them about 10,000 miles/year. Unlike other reviewers, I actually like the slightly shorter leg length. I use insulated PI bibs for cooler weather. They have a longer leg length.


Solid, Minor Issue

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

I've worn these 5 times for distances between 25 and 85 miles, with good results. The torso and shoulder straps are just right for me with a 33" waist. The mesh is nice and keeps me from overheating as long as I zip down the jersey a bit. The legs are a bit tighter than I would have originally liked, but I've gotten used to it and actually prefer it as it helps support the quads on longer rides. The chamois is thin, but comfortable and hasn't been as issue. I have a Fizik Arione CX saddle for reference. The one reason this doesn't get 5 stars is that the legs are a little shorter than I'd like. If PI added another inch or so to the legs I'd be happy.


Great compression for extended efforts

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

I've owned a number of Pearl Izumi bibs and shorts. The mediums have always fit me true to size, and I've always thought well of the inserts on the upper level products (had issues with the Attack inserts way back when). I recently bought a pair of the Elite knickers for a cool-evening, return-commute bottom along with a pair of these PRO In-R-Cool bib shorts. The insert is really nice, an improvement over those stitched into an earlier iteration of this bib I own (3 or 4 years old?). The other I like is the Castelli progetto. But this Pearl Izumi insert is possibly nicer. It's certainly newer. So we'll see how time wears on it. But it works effectively two rides into the life of the garment - some longer rides with substantial climbing. The fit is also very good. But I understand what some of the other reviewers mean about it feeling tight. It simply incorporates some compression into the fit and design. But once you're out there doing what you do on a bike, that sensation - if initially unsettling - falls by the wayside. Compared to the Elite knickers I just got, the PROs do feel a little tighter. ( I also like the knickers, by the way.) But it's just the compression feature doing its thing. They feel great, and I experienced no binding or numbness anywhere from them, whether I was in the saddle climbing or in the drops descending. I have Castelli's, Pearl Izumi, Capo (if you're into horse saddle sized inserts - rain rides!) and Gore bibs. These are now my favorites. There are my two cents.

Avg. ride time: 11m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Nice bibs but smaller leg size

  • Familiarity:I've used it several times

Pretty nice bibs, comfortable and the legs have a nice compression feel. I will say that these run small compared to other bibs. I wear an small in Assos, Capo, and Castelli but had to get a medium in these because my legs will not fit through the smalls. That tends to be a trend with PI, they all have small legs.


Best $63.00 Bibs

  • Gender:Male
  • Familiarity:I've put it through the wringer

These are excellent bibs, good compression and the chamois is comfortable for longer rides. Only complaint is I wish the legs were a bit longer and I wish I could have gotten all black at the sale price. Otherwise they are one of my go to bibs.

Do these bibs run small compared to the...

Do these bibs run small compared to the 2013 and 2012 versions?

I have noticed comments on other sites that this years 2014 Pro In R Cool bibs run small and if I used a medium previously I need a large now.

Please assist.

Best Answer

These bibs run true to the sizes shown on the fit chart. They are a compression fit and the correct sizing will yield a tight short. Over previous years the only changes are a slightly lower front that will make it easier on you when nature calls and a thin panel in the back that will improve ventilation properties.

I am 5'8" and 160lbs and tried both the medium and large 2014 bibs. The mediums fit too tight around my upper thighs and the large was too loose around my waist and clearly made for a taller and wider individual. I think these bibs are true to size as indicated in the charts, but I think you need regular to narrow thighs to comfortably fit into the product. I also tried on the P.R.O. Leader Bibs in medium and large, which have a slightly different stitching pattern, and the mediums fit well.

On a separate note, the material and stitching quality were excellent and the chamois is superb.


Excellent Bib for the Money!

  • Familiarity:I gave it as a gift but have feedback to share

These are a top notch bib for their price. The materials are very comfortable, size is very true to chart and larger than typical Euro fittings. The chamois is comfortable for longer rides and the leg hems simply disappear while riding. There are lighter weight bibs, but I think that the PI Pro In-R-Cool has hit the mark for excellent fit, great material quality, very good chamois, very good looks all at a perfect price point, not to mention typical Pearl Izumi quality for durability.

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

Solid bib but on the short side

  • Gender:Male
  • Familiarity:I've used it several times

Solid bib in my opinion. No doubt that the chamois is placed slightly further forward than most but overall did not bother me. The chamois is very comfortable, especially on the long rides. The chamois pad is also smooth, no "anatomical" bumps, raised pads, etc which I really liked. The only complaint is that the inseam is on the short side. I'm 6' 2'', with a 32 waist, and a close to 36" inseam, and the Medium shorts tend to ride up a bit, almost to mid-thigh despite the shorts having some great leg grippers.

Avg. ride time: 58m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Not great

  • Familiarity:I've used it several times

I tried a pair of these but they didn't work because the pad was sewn to far forward. This resulted in my sit bones sitting on the chamois stitching, which resulted in chaffing and an padded (uncomfortable feel). I wish manufactures would use a bigger pad in the bigger size shorts. I used a size XL. The rest of the shorts felt good though, although they are little too long for my liking. I prefer my short to not touch my knee caps.