| Infant Sizing | 0 - 3 mo. | 3 - 6 mo. | 6 - 12 mo. | 12 - 18 mo. | 18 - 24 mo. |
| Height (in) | 22 - 24 | 24 - 28 | 28 - 31 | 31 - 33 | 32 - 34 |
| Height (cm) | 56 - 61 | 61 - 71 | 71 - 79 | 79 - 84 | 81 - 86 |
| Chest (in) | - | - | - | - | 19.5 - 19.75 |
| Weight (lb) | 8 - 14 | 14 - 18 | 18 - 22 | 22.5 - 28 | 25 - 30 |
| Weight (kg) | 4 - 6 | 6 - 8 | 8 - 10 | 10 - 13 | 11 - 14 |
| Natural Waist (in) | - | - | - | - | 18.5 |