Here you can find the right Sidas sole size. Note that the chart is only a recommendation.
| Sole Size | Size (EU) | Size (UK) | Mondo Points |
| XS | 35-36 | 2-3 | 22-23 cm |
| S | 37-38 | 4-5 | 23.5-24.5 cm |
| M | 39-41 | 6-7 | 25-26.5 cm |
| L | 42-43 | 8-9 | 27-28 cm |
| XL | 44-45 | 10-11 | 28.5-29.5 cm |
| XXL | 46-48 | 12-13 | 29-31 cm |
The following illustration shows where the 3 various soles support your feet, depending on whether you have high arch, mid arch og low arch.