-16%
On Cloud FLow Black
£125.00 £105.00
The Cloudflow in all black keeps things dark and purposeful with a charcoal grey mesh upper, a large bold black On logo that dominates the side panel and a Swiss Engineering badge on the forefoot that is the only text breaking the shadow. The all-black CloudTec midsole with its open pod cushioning sits flush underneath and delivers smooth, responsive performance across every daily mile. A no-nonsense running shoe that disappears into any outfit and shows up for every run.
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On Cloud Shoes Size Guide
On Cloud trainers use standard On sizing and most styles fit true to size, so we recommend ordering your usual UK size. If you are between sizes, or looking at a chunkier model like the Cloudmonster or Cloud 5, we suggest going up half a size for extra room in the toe.
Men's Size Chart
| UK | EU | US | Foot Length (cm) |
|---|---|---|---|
| 6.5 | 40 | 7 | 25.0 |
| 7 | 40.5 | 7.5 | 25.5 |
| 7.5 | 41 | 8 | 26.0 |
| 8 | 42 | 8.5 | 26.5 |
| 8.5 | 42.5 | 9 | 27.0 |
| 9 | 43 | 9.5 | 27.5 |
| 9.5 | 44 | 10 | 28.0 |
| 10 | 44.5 | 10.5 | 28.5 |
| 10.5 | 45 | 11 | 29.0 |
| 11 | 46 | 11.5 | 29.5 |
| 11.5 | 46.5 | 12 | 30.0 |
| 12.5 | 47.5 | 13 | 31.0 |
| 13 | 49 | 14 | 32.0 |
Women's Size Chart
| UK | EU | US | Foot Length (cm) |
|---|---|---|---|
| 3.5 | 36 | 5 | 22.0 |
| 4 | 37 | 5.5 | 22.5 |
| 4.5 | 38 | 6 | 23.0 |
| 5 | 38.5 | 6.5 | 23.5 |
| 5.5 | 39 | 7 | 24.0 |
| 6 | 40 | 7.5 | 24.5 |
| 6.5 | 41 | 8 | 25.0 |
| 7 | 42 | 8.5 | 25.5 |
| 7.5 | 42.5 | 9 | 26.0 |
| 8 | 43 | 9.5 | 26.5 |
| 8.5 | 44 | 10 | 27.0 |
How to Measure Your Foot
Place a sheet of paper on the floor against a wall. Stand on it with your heel touching the wall. Mark the tip of your longest toe, then measure from the wall to the mark in centimetres. Match that number to the Foot Length column above. If you land between two sizes, choose the larger one.
Fit Notes
On Cloud shoes fit true to length but can feel slightly narrow in the toe box. If you have wider feet, some models such as the Cloudrunner, Cloudsurfer and Cloudgo come in a Wide fit. Measure both feet and use the larger measurement, since most people have one foot slightly bigger than the other.
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We offer free delivery on all orders, shipped directly from Switzerland. Please allow 2 to 3 weeks for delivery to the UK and all worldwide destinations. Once your package dispatched, you will receive full tracking information to monitor its progress.
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