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ZOOT Ultra Ali'i Men's Bib Shorts

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Item # ZOT0352

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Item # ZOT0352


Zoot developed its new limited edition Kona collection for the world's most demanding cyclists and triathletes. The new Ultra Ali'i Bib Shorts were designed specifically for your cycling pursuits, as they feature a slightly different construction and chamois than Zoot's triathlon line. The bibs rely on a lightweight, supportive construction, as well as a new limited edition graphic treatment in order to ensure that you look and feel ahead of the curve.

For the majority of the bib shorts' construction, Zoot incorporated a sublimated and Italian-sourced Shield fabric composed of a 200g blend of polyester and spandex. And at the inset, the shorts feature a heavier, 207g blend of nylon and spandex. You're probably wondering where these rank in comparison to the standard Performance Endura materials? Well, you'll find that these fabrics place more of a focus on moisture management, comfort, and breathability than the supportive focus of the Endura. As a result, the Ali'i's construction is slightly more flexible and far more effective at transferring moisture away from the skin. This means that your range of motion is narrowly increased, and your level of dry, cooling comfort is heightened. For the bib portion, Zoot applied its lightweight mesh, furthering breathability and upper body support.

Zoot's BIOwrap is oriented at the hem, and it features a 240 denier spandex composition. Accordingly, its fiber weight and resulting knit structure create a highly-compressive level of support, shielding your muscles from the oscillation resulting from road vibrations. This means that the fabric's hold lessens muscle fatigue, thus extending your muscle endurance and bolstering your threshold. Additionally, this design eliminates the need for leg grippers, thoroughly increasing your comfort level over the course of a race.

In terms of fit, the Ultra Ali'i was designed with racing in mind. To achieve this, Zoot incorporated its proprietary stitching, SeamLink, and welded leg hems. These techniques minimize the stitch profile along the seams, providing a next-to-skin fit that nearly eliminates the risk of chafing and abrasion. Additionally, the welded leg hems permit a complete range of motion while in the cycling position.

Furthering this level of comfort, Zoot included its multi-density foam chamois. This insert features a minimalist construction that provides maximum comfort, support and protection while on the bike. This insert is slightly more substantial than the tri-specific Integra SBR 1D chamois, as its shape was cut to mirror your anatomy while in the cycling position. The Integra SBR, on the other hand, was engineered for the bike leg without inhibiting comfort in either the swim or run.

The Zoot Ultra Ali'i Bib Shorts are available in four sizes from Small to X-Large and in the Black/zoot yellow colorway. Additionally, the bib shorts feature a 10-inch inseam (size Medium).

Tech Specs

[body] Shield (80% polyester, 20% elastane), [inserts] Performer (80% nylon, 20% elastane)
form fit
[size Medium] 10 in
yes, multi-density foam
Chamois Thickness:
Removable Chamois:
Leg Gripper:
spring, summer, fall
Recommended Use:
road cycling
Manufacturer Warranty:
limited lifetime

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.
Measure under your arms, around the fullest part of your chest.
Measure around your natural waistline, keeping the tape a bit loose.
Standing with your feet together, measure around the widest part of your hips.

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Here's what others have to say...


Runs really small!!!

  • Familiarity:I returned this product before using it
  • Fit:Runs small

I am 182 cm and ordered a medium - thinking that should work. Well the fit around waist and even my quads is fine, but the height is off, by wait for it, 9-10 inches! The sizing chart is so wrong!

182cm should have ordered L at least. Most cycling apparel runs small and you are somewhat tall. L should be your correct size....even XL.