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Giro Havoc Short - Men's

Item # GIR00DU

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  • Dark Grey, 30 ($119.95)
  • Dark Grey, 32 ($119.95)
  • Dark Grey, 34 ($119.95)
  • Dark Grey, 36 ($119.95)
  • Dark Grey, 38 ($119.95)
  • Flame Orange, 30 ($119.95)
  • Flame Orange, 34 ($119.95)
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Item # GIR00DU


Wreak it.

You'd swear you should've been born in the Atherton family. But, you weren't, so you're stuck racing enduro like the rest of us mortals. An aggressive bermed turn, a perfectly executed jump, or a speedy series of switchbacks might make you feel like you're coming into your own as an adopted Atherton sibling from time to time, but a boulder-strewn rock garden and a few slick corners beside a cliff send you straight back to a Claudio-esque inner monologue of panic. That's okay. Race through the good, the bad, and the ugly in the Giro Havoc Short, and this enduro-specific short will keep up every step of the way.

Built with rugged four-way stretch fabric and topped off with a DWR treatment, the Havoc will handle big drops, fast courses, and the occasional blowout with effective tailoring and ample stretch. Giro designed the leg openings to accommodate knee pads when needed, and perforated vents keep air moving on-course, whether you're riding through cool New Zealand drizzle or moon dust on a weeknight race close to home.

  • Leave it all on the course in this rugged MTB short
  • Slim, tailored fit won't bunch or move as you race
  • Four-way stretch fabric is breathable but highly durable
  • DWR treatment helps you stay dry on damp days
  • Perforations keep airflow consistent as you ride
  • Zippered pocket stores a multi-tool or raceday snack
  • Adjustable waist lets you dial in the right fit

Tech Specs

94% nylon, 6% spandex, DWR treatment
14 in
Removable Liner:
1 zippered
adjustable exterior
UPF Rating:
Recommended Use:
mountain bike
Manufacturer Warranty:
1 year

Size Chart


Men's Cycling Apparel
 Small MediumLargeX-Large  XX-Large

35 - 36in
(88.9 - 91.4cm)

37 - 38in
(94.0 - 96.5cm)
39 - 40in
(99.1 - 101.6cm)
41 - 42in
(104.1 - 106.7cm)
43 - 44in
(109.2 - 111.8cm)
 Sleeve 34in
  30323436 38
Natural Waist 29 - 30in
(73.7 - 76.2cm)
 31 - 32in
(78.7 - 81.3cm)
 33 - 34in
(83.8 - 86.4cm)
 35 - 36in
(88.9 - 91.4cm)
37 - 38in
(94.0 - 96.5cm) 
 Hip  36 - 37in
(91.4 - 94.0cm)
 38 - 39in
(96.5 - 99.1cm)
 40 - 41in
(101.6 - 104.1cm)
42 - 43in
(106.7 - 109.2cm) 
44 - 45in
(111.8 - 114.3cm) 
 Inseam  31.5 - 32in
(80.0 - 81.3cm)
32.5 - 33in
(82.5 - 83.8cm) 
33.5 - 34in
(85.1 - 86.4cm) 
34.5 - 35in
(87.6 - 88.9cm) 
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.
Measure from the center of your back to your wrist with arms held out.

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Nice shorts, less baggy fit

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

Well made shorts. Stars for pockets. Don't seem as breathable as advertised. DWR works. Love the adjustable waist. Slim fit. If you like baggy, these are not for you.

Nice shorts!

  • Fit: True to size

I decided to try these after a few other pairs of shorts needed to be retired. I am really happy with them so far. The perforated knees allow air to still move through the short and will keep you cool. The inseam is a bit longer than most, but great if you wear kneepads, as you will never have your shorts riding up above your pad. I would recommend pick a pair up.