Size Chart
| Infants | ||||
| US Sizes | 3-6 month | 6-12 month | 12-18 month | 18-24 month |
| Weight (lbs) | 7-15 | 16-22 | 23-27 | 28-30 |
| Chest (inches) | 14 | 16 | 18 | 20 |
| Length (inches) | 17-24 | 25-28 | 29-31 | 32-34 |
| Metric Sizes | 3-6 month | 6-12 month | 12-18 month | 18-24 month |
| Weight (kg) | 3-7 | 7-10 | 10-12 | 13-14 |
| Chest (cm) | 36 | 41 | 46 | 51 |
| Length (cm) | 43-61 | 64-71 | 74-79 | 81-86 |
| Toddlers | ||
| US Sizes | 2T | 4T |
| Weight (lbs) | 31-34 | 35-41 |
| Height (inches) | 32-36 | 36-40 |
| Chest (inches) | 21 | 22 |
| Metric Sizes | 2T | 4T |
| Weight (kg) | 14-15 | 16-19 |
| Height (cm) | 81-91 | 91-102 |
| Chest (cm) | 53 | 56 |