Size and age guide:
| size | prem | nb | 000 | 00 | 0 | 1 | 2 | 3 | 4 | osfa |
| age | 2.5-3.5kg | newborn | 0-3m | 3-6m | 6-12m | 1-2y | 2-3y | 3-4y | 4-6y | 3-9m |
| height (cm) | 48 | 55 | 62 | 68 | 76 | 84 | 92 | 100 | 108 | |
| weight (kg) | 2.5-3.5 | 3.5-5 | 6.5 | 8.5 | 10 | 12 | 13.5 | 15.5 | 18 |
All sizes are approximate. Please note the mokopuna sizing is quite generous.