Size Guide:
| Length | Chest | |
| 6-12 months | 35cm | 28cm |
| 1 year | 38cm | 29.5cm |
| 2 years | 40cm | 31cm |
| 3 years | 42cm | 32.5cm |
| 4 years | 44cm | 34cm |
| 5 years | 46cm | 35.5cm |
| 6 years | 48cm | 37cm |
| Length | Chest | |
| 6-12 months | 35cm | 28cm |
| 1 year | 38cm | 29.5cm |
| 2 years | 40cm | 31cm |
| 3 years | 42cm | 32.5cm |
| 4 years | 44cm | 34cm |
| 5 years | 46cm | 35.5cm |
| 6 years | 48cm | 37cm |