| Number | Foot length (mm) | Age | Slipper |
| NB | Newborn | 0-3m | NB |
| 16 | 91-98 | 3-9m | Small |
| 17 | 99-104 | 3-9m | Small |
| 18 | 105-111 | 9-15m | Medium |
| 19 | 112-118 | 9-15m | Medium |
| 20 | 119-125 | 15-27m | Large |
| 21 | 126-132 | 15-27m | Large |
| 22 | 133-139 | 2 years | XL |
| 23 | 140-145 | 2 years | XL |
| 24 | 146-152 | 2-3 years | 2XL |
| 25 | 153-159 | 2-3 years | 2XL |
| 26 | 160-166 | 3-4 years | 3XL |
