Lulu Avarcas Sizing:
| Lulu Avarcas Size | US Size | CM Foot Measurement (not the shoe measurement) |
| 34 | 4 | 22 |
| 35 | 5 | 22.6 |
| 36 | 6 | 23.3 |
| 37 | 7 | 24 |
| 38 | 8 | 24.6 |
| 39 | 9 | 25.3 |
| 40 | 10 | 26 |
| 41 | 11 | 26.6 |
| 42 | 12 | 27.3 |
Mini Lulu Sizing:
| Mini Lulu Size | CM Foot Measurement (not the shoe measurement) |
| 20 | 12.6 |
| 21 | 13.3 |
| 22 | 14.0 |
| 23 | 14.7 |
| 24 | 15.3 |
| 25 | 16.0 |
| 26 | 16.6 |
| 27 | 17.3 |
| 28 | 18.0 |
| 29 | 18.6 |
| 30 | 19.3 |
| 31 | 20.0 |
| 32 | 20.6 |
| 33 | 21.3 |