On Running Women's Trainers Size Guide

The Sports Edit size recommendation:

On Running size recommendations by style:

Cloud: Go 1 size bigger

Cloud Waterproof: Go 1 size bigger

Cloud X: Go true to size

Cloud 5: Go true to size

Cloudflow: Go true to size

Cloudswift: Go 0.5 bigger

Cloudnova: Go 0.5 bigger

Cloudflyer: Go true to size. The Cloudflyer fits slightly wider feet than most On Running models

Cloudstratus: Go true to size. The Cloudstratus fits slightly wider feet than most On Running models

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 Women's Trainers

UK EU US JPN (cm)
4 37 6 23
4.5 37.5 6.5 23.5
5 38 7 24
5.5 38.5 7.5 24.5
6 39 8 25
6.5 40 8.5 25.5
7 40.5 9 26
7.5 41 9.5 26.5
8 42 10 27

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 [email protected] or call us on 0203 793 0964.