Size Guide
| Age (months) | USA (infant) | UK (infant) | Canada (infant) | USA (toddler) | UK (toddler) | Canada (toddler) |
|---|---|---|---|---|---|---|
| 0-6 | 10.2 cm | 9.8 cm | 9.5 cm | - | - | - |
| 6-12 | 11.4 cm | 10.8 cm | 10.2 cm | - | - | - |
| 12-18 | 12.7 cm | 11.4 cm | 10.8 cm | 12.7 cm | 11.4 cm | 11.4 cm |
| 18-24 | 13.9 cm | 12.7 cm | 12.1 cm | 14 cm | 12.7 cm | 12.7 cm |
| 24-30 | 15.2 cm | 14 cm | 13.3 cm | 15.9 cm | 14.6 cm | 14.6 cm |
| 30-36 | 16.5 cm | 15.2 cm | 14.6 cm | 17.1 cm | 15.9 cm | 15.9 cm |
| 36-42 | - | - | - | 18.4 cm | 17.1 cm | 17.1 cm |