OILILY sizes 12 month - 12 year
| Approximate age | Child's height | Child's chest (around) | Child's waist (around) |
| 12 month | 80 cm | 50 cm | 48 cm |
| 18 month | 86 cm | 52 cm | 49 cm |
| 2 year | 92 cm | 53 cm | 50 cm |
| 3 year | 98 cm | 54 cm | 51 cm |
| 4 year | 104 cm | 55 cm | 52 cm |
| 5 year | 110 cm | 57 cm | 53 cm |
| 6 year | 116 cm | 58 cm | 54 cm |
| 7 year | 122 cm | 60 cm | 55 cm |
| 8 year | 128 cm | 62 cm | 56 cm |
| 10 year | 140 cm | 66 cm | 58 cm |
| 12 year | 152 cm | 74 cm | 62 cm |