Size Guides

On Running Men's Trainers Size Guide

The Sports Edit size recommendation:

On Running size recommendations by style:

Go 1 size bigger

  • Cloud
  • Cloud Waterproof
  • Cloud Waterproof 2

Go half a size bigger

  • Cloud 5
  • Cloud 5 Combo
  • Cloud 5 Waterproof
  • Cloudnova
  • Cloudswift
  • Cloudvista

Go true to size

  • Cloud X
  • Cloud X Shift
  • Cloudeasy
  • Cloudflow
  • Cloudflyer: this style has a wider fit than most On Running trainers and is suitable for runners with slightly wider feet
  • Cloudmonster
  • Cloudrunner
  • Cloudstratus: this style has a wider fit than most On Running trainers and is suitable for runners with slightly wider feet

On shoes tend to be relatively narrow, especially in the toe box. If you have wider feet, the Cloudflyer and Cloudstratus are the best models for you, as they have more room in the toe box.

Shop On Running Men's Trainers

UK EU US
7.5 41 8
8 42 8.5
8.5 42.5 9
9 43 9.5
9.5 44 10
10 44.5 10.5
10.5 45 11
11 46 11.5
11.5 47 12
12 47.5 12.5

Need further assistance?

The Sports Edit size recommendation:

For On Running size recommendations by style, please see above.

Not sure which size to choose?

If you have any questions or need help deciding, that’s what we’re here for! Please contact our customer service team who would be happy to assist - email us support@thesportsedit.com or call us on 0203 793 0964.