This chart applies to the following styles: Fab, Flip, Mira, Yana
Get the perfect fit every time.
- Measure your child’s foot length
- Add 10 mm growth room
- Match that to the inner length of the size you need
| Activ Size | Our Aus Size | Inner shoe measurement [mm] |
| 21 | 5.5 | 140 |
| 22 | 6.5 | 146 |
| 23 | 7.5 | 154 |
| 24 | 8 | 161 |
| 25 | 8.5 | 166 |
| 26 | 9.5 | 173 |
| 27 | 10 | 180 |
| 28 | 11 | 187 |
| 29 | 12 | 193 |
| 30 | 12.5-13 | 200 |
| 31 | 13.5 | 206 |
| 32 | 1 | 213 |
| 33 | 2 | 220 |
| 34 | 2.5 | 226 |
| 35 | 3 | 233 |