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On Cloudflow Review: On Shoes For Running Fast (1st Gen)

Visit our On Running Shoes Buyer's Guide to find the best On shoes ranked & reviewed.

All opinions are our own and never influenced by brands. If you buy through links on this page, we may earn a small commission. Here's our process.

I was so pleased when I finally got my hands on a pair of On Cloudflow’s. I’ve long been in need of a new pair of road running shoes to help me increase my speed and weekly mileage. Sometimes its easier to use the roads to get the distance in. The problem I find though is if the shoe isn’t super comfortable then my feet end up feeling like they’ve been run over by a truck by the end of a heavy run week.

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A NEW ON CLOUDFLOW HAS LANDED: On Cloudflow Review 2021 (3rd Gen)

The On Cloudflow is marketed as a lightweight and ultra-responsive performance running shoe. You probably know this about me already, but I LOVE lightweight running shoes. For me, It’s all about feeling as minimal as possible while running. Fast and Light! Whether on the trails or off them.

On-Running Cloudflow Mens review

On Cloudflow Fit & Design

The On Cloudflows are a neutral running shoe that feel really comfortable when you first put them on. The heel support is sturdy in its construction but also very smooth and comfortable due to the material it’s made from. I would expect nothing less from the Swiss!

On-Running Cloudflow Mens review
Beautifully constructed heel support

There’s a nice little sock which attaches the tongue to the forefoot area. This helps keep the forefoot snug within the shoe and stops the tongue from slipping out of place. As a result of this sock, I didn’t feel any discomfort caused by rubbing materials. All seams inside the shoe appear to be really well hidden, which must help with this too.

The tongue itself is very slim but also has just the right amount of padding. Kudos On!


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On-Running Cloudflow Mens review
Very comfortable tongue

The laces are also very minimal and tighten easily. They could be a little shorter in length though. I find myself tying them in double knots to reduce lace flap.

On-Running Cloudflow Mens review
The 18 cloud outsole system

If you haven’t tried “Running On Clouds” before, you must! Its a unique feeling that somehow makes you want to run faster. I always notice this, especially when putting on a new pair. The cloud pods give you that feeling of a cushioned landing, as they compress under your weight and forward force. But they also give you the feeling of a barefoot take off as the pods are compressed and then spring back at the time of your foot leaving the ground.

18 Clouds independently cushion and propel your every step towards runner’s high. Hit the ground perfectly with the added Clouds positioned precisely where you need them, and all with the lightness of our unique Zero-Gravity EVA foam. – On website

On-Running Cloudflow Mens review
A closer look at the pods and their grip

The ‘upper’ is made of a very flexible weave that allows your feet to breath whilst giving them the support they need.

On-Running Cloudflow Mens review
Upper weave
On-Running Cloudflow Mens review
A look at the inside foot profile with its 6mm drop

The On Cloudflow has a heel to toe drop of 6mm which worked out well for me when running on the roads.

On-Running Cloudflow Mens review
A look at the heel on the outsole

The only subtle negative that I picked up on with this shoe is that the toe box area feels a little snug on the sides of the forefoot. This didn’t cause any blisters or marks on my feet but I cant help feeling that a couple more millimeters either side would make the shoe even more comfortable. I haven’t noticed this narrower forefoot in any other On Running shoes that I’ve used.

On-Running Cloudflow Mens review
Streamlined snug toe box area

The On Cloudflow weighs in at 220g. I really felt the benefits of having such a lightweight shoe after my long runs.

On-Running Cloudflow Mens review
so streamlined!

Last point, which is pretty important in my eyes. The On Cloudflow has been designed beautifully. I love all the detailing that On have put so much effort into adding, and the available color variations for men and women are great. Really nice job, On!

On-Running Cloudflow Mens review
A work of art!

Running in the On Cloudflows

The On Cloudflows have made running on the roads fun again. I can go on long or fast runs, and know that my feet will still feel ready to do it all over again the next day. Thats very important for a road running shoe, where comfort is paramount.

Once again, I feel like pushing myself harder to get faster. After this years ultra training, I’ve lost a bit of form and explosive strength, so I’m hopeful that these shoes will help me rebuild on this over the coming months.

$139.99 at on-running.com

In Summary

Maybe you’re a trail runner who needs to mix road running into your training or maybe you just love running fast on the roads. The On Cloudflow is great for both. Your feet will thank you for the extra comfort and I bet you’ll notice a flurry of PB’s when you start running in them!

on cloudflow review
On Cloudflow
Pros
Cons
9.1
Overall Score

EDIT 3/14/2018: 260km in and the On Cloudflow is still my go-to shoe for speed training on the roads. 

Still not sure which On Running Shoes to buy?

Visit our Best On Running Shoes Guide for an ordered list of the top ON shoes for road and trail running. It has been designed to make your buying decisions easier.

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5 COMMENTS

    • Hey Ben,
      I’ve not had any issues with durability of the cloudflow. There’s a new Cloudflow just released that I’ll be reviewing very soon.

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