Size Guide:
| Length | Chest | |
| 6-12 months | 34.5cm | 30cm |
| 1 year | 37cm | 33cm |
| 2 years | 39.5cm | 35cm |
| 3 years | 42cm | 37cm |
| 4 years | 44.5cm | 39cm |
| 5 years | 47cm | 41cm |
Size Guide:
| Length | Chest | |
| 6-12 months | 34.5cm | 30cm |
| 1 year | 37cm | 33cm |
| 2 years | 39.5cm | 35cm |
| 3 years | 42cm | 37cm |
| 4 years | 44.5cm | 39cm |
| 5 years | 47cm | 41cm |