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ZOOT Ultra Tri 9in Men's Shorts

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Item # ZOT0299


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Item # ZOT0299


Gain an edge.

If you approach triathlon as something to do on the weekends, we'll tell you right now that the Zoot Ultra Tri 9in Shorts are not for you. However, if you need to establish an edge by exploiting every possible advantage that triathlon apparel can provide, then you're in the right place.

Starting with the bulk of the Ultra Tri shorts' construction, Zoot used its venerable ULTRApowertek with Coldblack fabric. We'll break this title down into two categories, given that ULTRApowertek is the fabric and that Coldblack is the treatment. So, starting with the former, this material was implemented for its supportive knit structure. Featuring a compressive fiber weight and structured knit, ULTRApowertek supports the muscle groups without a feeling constrictive. Accordingly, by lessening the fatigue-inducing effects of road vibration and run impact, you're able to retain a higher threshold throughout the land legs of your race. Additionally, this fabric is highly breathable and it also efficiently manages moisture. However, with the Coldblack treatment, this is less of a necessity than with a 'traditional' spandex composition. This is because Coldblack technology deflects the sun's rays with more efficiency then that of light-colored fabrics. As a result, Coldblack retains a fabric temperature that's nine-degrees cooler than traditional fabrics. So, you remain cooler over the course of the race, equating to a lower core temperature no matter how hot it is.

Moving on to the other panels of the Ultra, it becomes clear that Zoot thought of everything. You'll find that it installed ULTRAcarbon anti-friction panels at high points of abrasion like the inner-thigh and seat panels. Why carbon? Well, because it possesses natural anti-static properties. Additionally, it also has a low moisture-absorption rate, which results in a consistent level of dryness at points of the body that can't afford to remain wet. The carbon was also integrated at the fiber level for its natural resistance to temperature spikes. So, much like Coldblack, your core temperature remains consistently cooler, resulting in a lower heart rate, and thus a higher threshold.


In terms of fit, the Ultra shorts are cut with racing in mind. To achieve this, Zoot incorporated a nine-inch inseam and its proprietary stitching, SeamLink. This technique minimizes the stitch profile along the seams, providing a next-to-skin fit that nearly eliminates the risk of chafing and abrasion. Additionally, you'll find that the welded leg openings permit a complete range of motion for the swim, the saddle, and the run.


The Zoot Ultra Tri 9in Shorts are available in four sizes from Small to X-Large and in the colors Black and Black/white/blaze.

Tech Specs

[body] ULTRApowertek (78% polyamide, 22% elastane), [treatment] Coldblack, [insert 1] ULTRAcarbon (62% polyamide, 36% elastane, 2% carbon), [insert 2] Teksheen (79% nylon, 21% spandex)
9 in
yes, Integra SBR 2D
Removable Chamois:
Leg Gripper:
1 hip, 2 rear
UPF Rating:
Recommended Use:
Manufacturer Warranty:
1 year

Size chart


Men's Apparel
Chest 35 - 37in
(89 - 94cm)
38 - 40in
(97 - 102cm)
41 - 43in
(104 - 109cm)
43 - 45in
(109 - 114cm)
Waist 28 - 30in
(71 - 76cm)
32 - 34in
(81 - 87cm)
34 - 36in
(87 - 97cm)
36 - 38in
(91 - 97cm)
38 - 40in+
(97 - 102cm+)
Hip 37 - 39in
(94 - 99cm)
40 - 42in
(101.5 - 107cm)
42 - 43.5in
(107 - 110.5cm)
44 - 46in
(112 - 117cm)
How to Measure:
For best results, take measurements over your underwear.

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Here's what others have to say...

5 5


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

It is just great for training and for competition!!