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AFO Hyperlight Cap

AFO Hyperlight Cap

Hyperlight, fast drying low-profile run cap, crushable foam brim

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AFO Hyperlight Cap



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run everywhere guarantee
free shipping over $50
free 60 day exchanges
One size fits most

Pack hyperlight, go hyperfar — at just 29g, our brand new low-profile AFO Hyperlight Cap provides optimal performance and a nearly weightless feel. With a pliable foam brim and minimal bungee strap, this hat is built to be scrunched up, stuffed into pockets, and tossed into bags.

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Weightless feel
Hyperlight AFO stretch woven fabric for a barely-there-feeling hat

Cool + dry comfort
Fast dry time, high breathability + excellent sweat wicking for cool comfort

Low-profile sport fit
Streamlined design provides optimal protection with an aerodynamic fit

Crushable foam brim
Lightweight, pliable foam brim is built to be scrunched up + tossed around while retaining its shape when worn

Flip it up
The pliable foam brim can be securely flipped up when not needing to shield from the sun

Minimal bungee strap
Adjustable reflective bungee cord with a rubber toggle ensure a lightweight, adaptable fit

Stay seen
Janji signature reflective logo on back + reflective bungee cord adds visibility in low light

materials + specs

88% recycled polyester, 12% elastane

Hat made in Taiwan

29g / 1oz


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 compromising 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 52 reviews
Marti S.
Wear it for: Running
Product Fit: Spot-on
Height: 5'7" to 5'9"
Usual Size: XL
Size Purchased: XL
Love it!

Functional, stylish, and comfortable. Best of all is the fabric pattern — always put art in your life when you have the chance!

Newsletter S.
Wear it for: Running, Hiking
Product Fit: Runs large
Height: 5'4" to 5'6"
Usual Size: M
Size Purchased: M
Great hat

Love how lightweight and quick drying it is. The adjustable elastic on the back makes it fit just right and is easy to use. My one complaint is that the sides come down more than they need to for me. I have an average size head, but not much hair for reference. Fortunately, this doesn’t affect how the hat stays on during activity or how it looks. The color and pattern are fun, overall extremely happy with this product.

Marsha W.
Wear it for: Running
Product Fit: Spot-on
Height: 5'0" or shorter
Usual Size: S
Size Purchased: S
Light as a feather!

Love this hat - it’s so light on your head and the adjustable elastic in the back is perfecto! The only thing I might like would be more of a rounded shape like a baseball hat…. Love the shade - Good Work Janji

Eric T.
Wear it for: Running, Hiking
Product Fit: Spot-on
Height: 5'7" to 5'9"
Usual Size: S
Size Purchased: S
Favorite Running Hat

Hands down my favorite running hat. Light weight, secure, breathable, easy to pack and easy to care for. Amazing variety of colors and patterns too. I also love the elastic, drawstring style cinch on the back in lieu of a snap or strapback. Allows it to be as snug and form fitting as you’d like but doesn’t get uncomfortable and completely stays out of the way. I forget it’s on my head after a while and that is always a sign of a good quality product for me, particularly a piece of active wear. Running hat perfection in my opinion.

Tom R.
Wear it for: Running, Hiking
Product Fit: Spot-on
Height: 5'7" to 5'9"
Usual Size: S
perfect lightweight summer cap

Lightweight, slightly stingy brim. Kind of like a cycling cap with its close fit, but in a more traditional ball cap style for when you’re not on a bike (or when you are, but don’t want that look). Perfect cap for general summer fun and errands.

Wear it for: Running
Product Fit: Spot-on
Height: 6'3" or taller
Usual Size: L
Size Purchased: L
Solid so far

Great vibrant colors on two hats I recently bought. Comfortable thus far.

Wear it for: Running
Product Fit: Spot-on
Height: 5'7" to 5'9"
Usual Size: M
Amazing running hat

Have been looking for a comfortable hat that actually stays in place while running and this is it! Perfect material too and easy to adjust.

The Y.B.
Wear it for: Cycling
Product Fit: Spot-on
Height: 6'0" to 6'2"
Usual Size: M
Size Purchased: M

Been wearing hats since I was a kit, easily the most comfortable hat ever.
Very nice detail as well.
Well done!

Bmxer here

Wear it for: Running, Hiking, Camping, Climbing
Product Fit: Spot-on
Height: 5'10" to 6'0"
Usual Size: M
Size Purchased: M
Perfect for humid running!

It's very humid where I run and this hat keeps the sweat from dripping into my eyes! I love the shorter than traditional brim (somewhere between a cycling cap and regular tech running cap). It's very light. The pull cord is easy to adjust the hat. It's a bit short in the dome so might be too small for larger heads. Works perfect on my average sized melon.

Michael E.
Wear it for: Running
Product Fit: Spot-on
Height: 5'7" to 5'9"

AFO Hyperlight Cap