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

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Item # PLZ1234

2013 This model is no longer in stock.

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Item # PLZ1234


Go faster.

While your efforts contribute greatly to a top performance, the Pearl Izumi P.R.O In-R-Cool Tri Shorts are designed to assist in that by reducing drag, regulating your core temperature, and supporting the muscles of the leg. It does this by utilizing Pearl's In-R-Cool treated P.R.O. Aero fabric and Tri quick-dry chamois.

Unlike common dark textiles, which absorb heat, Pearl's In-R-Cool fabrics have a UPF 50+ rating and reflect the sun's radiant energy. This reduces the fabrics surface temperature in order to avoid overheating during the ride and run stages on hot, sunny days. Also keeping you cool is Pearl Izumi's proprietary P.R.O. Aero fabric, a blend of nylon, elastane, and polyester.

The resulting engineered knit produces an outer-surface that's optimized to smooth turbulent air and reduce drag, and as stated above, it also provides core comfort. It's textured for breathability and to accelerate moisture transfer away from the skin. And by keeping your skin cool and dry, you'll experience both irritation free pedaling and running.

Providing a lightly compressive fit that maximizes muscle efficiency, the P.R.O In-R-Cool's multi-panel design allows you to spin with consistent power. It also ensures that the shorts provide the greatest degree of mobility by working with the Aero fabrics natural stretch in order to eliminate the threat of binding. It has a stretch draw cord to securely hold the sorts in place, and an easy-access envelope pocket that gives you a place to stash small items.

For further comfort, Izumi also included its TRI quick-dry chamois. This insert is constructed with variable density padding that's contoured for an anatomically correct fit. However, while it provides the necessary support for the cycling leg, the chamois isn't bulky. So, it won't interfere with either the run or the swim legs of your race. The insert, as touted by its name, is also quick-drying for comfort post T1.

The Pearl Izumi Elite In-R-Cool Tri Shorts are available in five sizes from Small to X-Large and in the colors White, Atomic Black, and Black.

Tech Specs

[shorts] P.R.O. Aero (78% polyester, 22% elastane), [treatment] In-R-Cool, [treatment] Coldblack
9.5 in
yes, TRI quick-dry
Removable Chamois:
1 rear
UPF Rating:
Recommended Use:
Manufacturer Warranty:
limited lifetime

Size chart

Pearl Izumi

Men's Apparel
Chest 35 - 37.5in
(88.9 - 95.3cm)
37.5 - 40.5in
(95.3 - 102.9cm)
40.5 - 43.5in
(102.9 - 110.5cm)
43.5 - 46.5in
(110.5 - 118.1cm)
46.5 - 49in
(118.1 - 124.5cm)
Waist 29 - 31.5in
(73.7 - 80cm)
31.5 - 34.5in
(80 - 87.6cm)
34.5 - 37.5in
(87.6 - 95.3cm)
37.5 - 41.5in
(95.3 - 105.4cm)
41.5 - 45in
(105.4 - 114.3cm)
Hip 35 - 37.5in
(88.9 - 95.3cm)
37.5 - 40.5in
(95.3 - 102.9cm)
40.5 - 43.5in
(102.9 - 110.5cm)
43.5 - 46.5in
(110.5 - 118.1cm)
46.5 - 49in
(118.1 - 124.5cm)
Inseam 31.5in
How to Measure:
For best results, take measurements over your underwear.
Measure under your arms, around the fullest part of your chest.
Natural Waist:
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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