Origin Short

41 reviews
Size Guide

SIZECHART - Origin Short

Waist 28 30 32 34 36 38
Inseam 12.75
68.58 76.2 81.28 86.36 91.44 96.52

 *Note: Measurements above reflect actual garment measurements. 

Dry Grey
  • This full-featured, all-mountain workhorse short maximizes the bang-to-buck ratio.


    • Breathable
    • Durable
    • Mild climate
    • Warm climate
    • All mountain
    • Cross country/race
    • Nylon

Where passion meets progression: the Origin.

A well-designed mountain biking short, much like a well-designed trail, is born from a combination of passion and progression. The Origin short is the culmination of everything we’ve learned from five years of making uncompromising gear for real riders. We chose a unique Nylon woven fabric for its balance of breathability and durability, strategically placed pockets for riding position, and a ladder-locking adjustable waistband to dial in fit. Start with the Origin.


  • Breathable, durable woven Nylon
  • 4 Secure Pockets with signature rear placement for optimal carry positioning
  • Mesh lined waist band for optimal sweat dispersion
  • Gusset construction, RiRi slider snap, 2-needle cover stitch for strength and durability, mesh pockets, ladder locking adjustable waistband
  • Imported (Vietnam)


bermstyle review of kitsbow Origin AM Short

"The new Kitsbow Origin A/M short joined the ranks of favorites, thanks to a well thought out approach to the category, with a trim, fitted profile that shows a lot of attention was paid to the little things. But also importantly: pockets."

Jason Van Horn
Read the full review.

gear patrol's review of kitsbow Origin AM Short

"When it comes to minimal, well-designed, tonal mountain bike clothing, one brand stands out above the rest: Kitsbow. The Petaluma, CA based brand is making some of the best mountain bike clothing on the market. Pieces like the Origin A/M short and the Trials Softshell waterproof jacket epitomize thoughtful design and have become staples in my mountain bike kit."

Ultimate Guide to Enduro Mountain Bikes.
Gear Patrol
Read the full review.

Customer Reviews
4.8 Based on 41 Reviews
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Matt S.
United States United States
  • If a garment, please rate the size. Runs SmallTrue to SizeRuns Large
Nice, but not amazing

Quality mountain bike shorts. Fit true-to-size, comfortable, disappear on the bike, do fine with kneepads, well-made and seem durable. The cut isn't quite as XCish as my original A/Ms. Why only 4 stars? A few quibbles which won't matter to many. Compared to my A/Ms, the fabric is less pleasing. I still smile every time I put my old A/Ms on, but the Origins have a bit of a cheap-raincoat, stiff-and-slippery feel to them. Doesn't detract from performance. The rear-facing pockets would be more useful if they were bigger (or in a different spot). I don't usually ride with my iphone in a shorts pocket but it'd be nice to be able to stash it there comfortably post-ride. The waist adjusters work but they're not as intuitive as others. Overall, I like them. I regularly choose them over a drawer full of decent alternatives, and I expect them to hold up for years. But it's appreciation I feel, not infatuation.

Trevor M.
United States United States
  • If a garment, please rate the size. Runs SmallTrue to SizeRuns Large
Worth Every Penny!

I am STOKED about the construction and fit of the Origin Short. I'm 5'11'' 175lbs and have thicker thighs and a big booty (comparatively). The fit for me is slim/form fitting perfection. There's plenty of room for a bib and the well tailored waistline prevents plumbers crack. The material has stretch and is just thick enough to take all kinds of abuse while feeling lightweight and comfortable. Honestly, I was apprehensive about spending the cash but once i slipped these shorts on, all my spending anxieties melted away. Get these shorts!!!

chris b.
United States United States
  • If a garment, please rate the size. Runs SmallTrue to SizeRuns Large
Five Star workhorse

The origin short is a go-to for 3/4 of the year in NorCal, a bit heavy for Summer riding .. Easy to adjust, lots of pockets, a bit of stretch , and a practical cut for riding .. Not baggy, they don’t catch on your seat or chafe ..

Brent B.
United States United States
  • If a garment, please rate the size. Runs SmallTrue to SizeRuns Large

Solid all around "baggy" for MTB and other on the bike cruising. A little more "bike oriented" fit than my Haskell lights, which I also love. Nice to not need a belt but have the elastic adjuster "belt" built into the orgins. Originally ordered a size small and needed to size up to a medium and the adjusters keep them snug while also giving me room for a bit of "winter form" in the waist area.

John G.
United States United States
  • If a garment, please rate the size. Runs SmallTrue to SizeRuns Large
Second Pair - Great All-Day Shorts

This is my second pair of origin shorts and the fit is a bit larger than the first pair but still a great short. Fit is now true to size so I wouldn't size up for a baggy fit like I previously did. To reiterate my previous review: Amazing quality shorts that have stood up to the abuses of hard riding all day and for multiple days and still look great 1000s of miles latter. Pocket placement, sizes, and added zippers are perfect for carrying items without noticing them while riding, including a smart phone for easy access. My biggest complaint is that they don't come in black, but when they do, I will definitely invest in another pair.


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