Size Guide:
| Length | Chest | |
| 1 year | 36.5cm | 35.5cm |
| 2 years | 38cm | 37.5cm |
| 3 years | 39.5cm | 39.5cm |
| 4 years | 41cm | 41.5cm |
| 5 years | 42.5cm | 43.5cm |
| 6 years | 44cm |
| Length | Chest | |
| 1 year | 36.5cm | 35.5cm |
| 2 years | 38cm | 37.5cm |
| 3 years | 39.5cm | 39.5cm |
| 4 years | 41cm | 41.5cm |
| 5 years | 42.5cm | 43.5cm |
| 6 years | 44cm |