Size Guide:
| Length | Chest | |
| 6-12 months | 32.5cm | 27cm |
| 1 year | 35cm | 28.5cm |
| 2 years | 37.5cm | 30cm |
| 3 years | 39.5cm | 31.5cm |
| 4 years | 41.5cm | 33cm |
| 5 years | 43.5cm | 34.5cm |
| 6 years | 45.5cm | 36cm |
Size Guide:
| Length | Chest | |
| 6-12 months | 32.5cm | 27cm |
| 1 year | 35cm | 28.5cm |
| 2 years | 37.5cm | 30cm |
| 3 years | 39.5cm | 31.5cm |
| 4 years | 41.5cm | 33cm |
| 5 years | 43.5cm | 34.5cm |
| 6 years | 45.5cm | 36cm |