- Shopping, made easy.
- /
- Get the app!
| Unit | Sizes | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US & Canada | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 13 | 14 | 15 | 16 |
| UK | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12.5 | 13.5 | 14.5 | 15.5 |
| Europe | 39 | 39 | 40 | 40-41 | 41 | 41-42 | 42 | 42-43 | 43 | 43-44 | 44 | 44-45 | 45 | 46 | 47 | 48 | 49 |
| Inches | 9.3 | 9.5 | 9.6 | 9.8 | 9.9 | 10.1 | 10.3 | 10.4 | 10.6 | 10.8 | 10.9 | 11.1 | 11.3 | 11.6 | 11.9 | 12.2 | 12.5 |
| Centimeters | 23.5 | 24.1 | 24.4 | 24.8 | 25.4 | 25.7 | 26 | 26.7 | 27 | 27.3 | 27.9 | 28.3 | 28.6 | 29.4 | 30.2 | 31 | 31.8 |
Extra Speed, Extra Energy Return and More Comfort The Cloudboom Echo is the fastest marathon shoe in history. Inspired by On's fastest runners and developed using On's lightest materials. The high rise carbon SpeedboardR is designed with a large toe area for a more powerful kick-off. Break your best records with ease
