AFO Middle Short

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5" AFO Middle Short

5" AFO Middle Short

Hyperlight, fast drying short with a moisture-wicking brief liner

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M's 5" AFO Middle Short
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Regular fit, Size Chart Aron is 5'11" and wears size MWilliam is 6'1" and wears size M

Our bestseller and everyday running essential — lightweight and fast drying short with a moisture-wicking brief liner. Read more

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Weightless feel
Ultra-light AFO stretch woven fabric for a barely-there-feeling shell

Cool and dry
Fast dry time, high breathability + excellent sweat wicking for a cool, comfortable ride

Built-in brief liner
Integrated moisture-wicking performance brief liner

Softer, breathable waistband
An updated knit waistband with external facing drawcord provides a secure, comfortable fit while perforations enhance breathability

Smooth finish
Bonded hem seams ensure an anti-chafe fit + clean finish

Keep it secure
A secure back zip pocket has a nylon pull for easier in-motion access; can fit most sized phones

Keep it separated
Internal drop down brief pocket for key/card includes a key loop bungee* that doubles as hang loop

Stay seen
Signature reflective logo on front and “watermark” reflectivity on back increases visibility in low light

*the s-biner clip, key ring + keys not included with shorts—sorry, we need our keys

materials + specs

88% recycled polyester, 12% elastane

Performance brief liner
94% polyester, 6% spandex

106g / 3.7oz (M’s Medium)

Garment made in Vietnam


Our AFO fabric is composed of 88% recycled polyester. We use high-grade recycled polyester made from 100% post-consumer recycled plastic like rPET (commonly found in single-use bottles and containers) to reduce the impact of our apparel without sacrificing on performance, durability or comfort. 

AFO fabric is also bluesign® certified meaning it is free from harmful chemicals and is fabricated in a way that meets a high environmental standard.

Learn more about our sustainable initiatives here.


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Customer Reviews

Based on 254 reviews
Wear it for: Running, Everyday wear
Product Fit: Spot-on
Height: 5'10" to 6'0"
Usual Size: S
Size Purchased: M
Great lightweight shorts

Love these shorts. They feel like they're barely there and have plenty of room in the legs for those of us with big legs. Really like the waistband too.

Paul C.
Wear it for: Running, Cycling, Mountain Biking
Height: 5'10" to 6'0"
Usual Size: M
Not yet

I want to buy 5in 1 or 2 pair ,but I dont want the liner I have special underwear I use for tril runs or any runs really and I prefer that way

Charles M.
Wear it for: Running
Product Fit: Spot-on
Height: 5'10" to 6'0"
Usual Size: L
Size Purchased: L
Love these running shorts!

I think these are best running shorts I’ve ever owned. So lightweight and fits nicely. Very comfortable! I ordered a large and it might just be a hint small but I was used to running in larger fitting shorts but otherwise spot on!

Wear it for: Camping
Height: 6'0" to 6'2"
Usual Size: L

If i want liners , I can buy one. Quite telling guys their groin has to be tied in a knot with a rash, entanglement, cutting, etc

Wear it for: Running
Product Fit: Spot-on
Height: 5'4" to 5'6"
Usual Size: S
Size Purchased: S
Great unisex shorts!

As a a woman with big runners thighs, finding lightweight summer shorts that are long enough to avoid inner thigh rubbing is a serious challenge.

Janji, I love you, but your brief-lined women's shorts are way too short.

Anyway, I decided to try these out and they are perfect! No thigh rubbing, used size chart and they fit perfectly.

Ted B.
Wear it for: Running
Product Fit: Spot-on
Height: 5'7" to 5'9"
Usual Size: M
Size Purchased: M

Great feel and fit!

Michael P.
Wear it for: Running, Hiking, Everyday wear
Product Fit: Runs large
Height: 5'10" to 6'0"
Usual Size: M
Size Purchased: M

If only they had the stretchy side pouches the Patagonia mens strider pro shorts have. They are perfect for storing your phone keeping it snug and not bouncing around.
The AFO middle has a back pocket but the weight of the phone pulls the shorts down and bounces around.

Jesse B.
Wear it for: Running
Product Fit: Spot-on
Height: 5'7" to 5'9"
Usual Size: M
Size Purchased: M
Best running shorts I own

I have probably 10 pair of running shorts and didnt really need a new pair but I got a pair of these anyway. I have since bought 2 more. Great fit and super light. Dont rub anywhere.

Josh R.
Wear it for: Running, Hiking, Cycling, Mountain Biking, Everyday wear
Product Fit: Spot-on
Height: 5'7" to 5'9"
Usual Size: M
Size Purchased: M
Glorious Banana Hammocks

Great cut. Great performance. I live in Austin Texas and run every day (including the 100-degree summer days). One of the few shorts (and shirts) that can actually handle this type of heat and humidity. I'm a customer for life and borderline JANJI INFLUENCER (even though I have a full-time job).

BUT (there's always a but).

I also buy all of your shirts and have one point of criticism. Since I'm primarily a trail runner, I wear a hydration backpack. And let me tell you, the front straps and harness destroy the shirts. As in, little fuzzy balls all over the contact points and threads begin to appear.

Will this stop me from praying at the altar of Janji? No. But you guys need to do more performance testing with the trail runner crowd (and MTBers for that matter). We're hard on our clothes.


A bit big

I ordered a size large. I was going by the waist measurments on the site. I should have gone with a medium, especially when I put my phone into the back zip pocket. The shorts tend to slide down my waist. Otherwise love the shorts.