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Women's On Cloudflow 4.0

 in style BLACK / WHITE


The On Cloudflow 4 is snappy, quick and nimble for all of your workouts.

When you lace up the Cloudflow 4, you know it’s go time. This shoe is super lightweight so that nothing weighs you down. Whether you’re doing speedwork or just want a sleek shoe to wear around town, the On Cloudflow 4 will keep up with your fast-paced lifestyle.


  • Upper: The 100% recycled polyester engineered woven upper is incredibly lightweight and breathable. It hugs your foot for sock-like comfort.
  • Midsole: The dual-density Helion™ Superfoam is combined with a spoon-shaped nylon blend Speedboard® for a fast and responsive rolling sensation.
  • Outsole: The grip rubber pads on the bottom of each Cloud pod give you traction and durability for road running in wet and dry conditions. It includes On’s signature CloudTec® technology, where each individual pod compresses horizontally and vertically to give you cushion just where it should and provide explosive take-offs.

Tech Specs

On Cloudflow 4


8 mm

Stack Height

Heel: 31 mm / Forefoot: 23 mm


7.05 oz (Women’s size 7.5), 8.29 oz (Men’s size 8.5)




Everyday training, Speedwork

What's New

The On Cloudflow 4 has increased cushioning for more comfort and fresher legs. Designers closed the outsole channel to prevent stone collecting without adding any weight. The upper was also changed to make it lighter and more breathable. All of these changes make it the lightest Cloudflow yet.

Who It’s Best For

The On Cloudflow 4 is a great shoe for someone who wants a super lightweight, stylish and sleek shoe. It is great for speedwork, road running and even racing.

Why You’ll Love It

One of the best On running shoes, you will love how nimble and light you feel running in the On Cloudflow 4.
Hear From an Outfitter

“I love the Clouflow 4! It’s an easy pick for long work days or long runs.”

Rachel E.
Team Lead

Popular Women's Neutral Running Shoes


Based on 15 Verified Reviews

Great features!

Laurie 4 months ago Verified Purchase

Wonderful experience great for long distance race and daily training improve comfort and increase speed

Just right for daughter

Perry 4 months ago Verified Purchase

Got these shoes for my daughter for her to wear while at her job as a nurse at our local medical center. She really likes the look and the comfort of them.

Dislike the modifications

gloface10 4 months ago Verified Purchase

I have been wearing the Cloudflow line for several years. I bought these a few weeks ago as a replacement for my Cloudflow 3. I do not like the upgrades at all. The shoe feels heavier and unbalanced as you propel forward. My feet feel like they are on an unstable rocking chair. The increased heel to toe drop is too much. The sole is to firm. I am very disappointed in the upgrades so much so that I will be looking for a new shoe line for running.

My First Ons

Kansas K 6 months ago Verified Purchase

The rocket outsole really propels you forward. It's somewhat firm which gives rebound instead of the sinking in feeling. I wear them for speedwork and they are very comfy and fast.

Andie1915 6 months ago Verified Purchase

I own several different styles of on sneakers but I have to say that these are definitely the most comfortable ones. So comfortable in fact that I ordered a second pair! I do wish there were more colors to choose from so I could buy more

Improved a Great Shoe

Runner 6 months ago Verified Purchase

I have been running in cloudflows for several years and usually when they update a shoe they ruin it. But this is the exception. The cushioning is perfect and these are the most comfortable shoes I’ve run in.