Size Guide:
| Length | Chest | |
| 6-12 months | 33cm |
21.5cm |
| 1 year | 35cm |
22.5cm |
| 2 years | 37cm |
23cm |
| 3 years | 39cm |
24.5cm |
| 4 years | 41cm |
25cm |
| 5 years | 43cm |
26cm |
Size Guide:
| Length | Chest | |
| 6-12 months | 33cm |
21.5cm |
| 1 year | 35cm |
22.5cm |
| 2 years | 37cm |
23cm |
| 3 years | 39cm |
24.5cm |
| 4 years | 41cm |
25cm |
| 5 years | 43cm |
26cm |