| Age | Size | Chest (in) | Length (in) |
|---|---|---|---|
| 3 Years | XXS | 22-23 | 16 |
| 4 Years | XXS | 23-24 | 17 |
| 5 Years | XS | 24-25 | 18 |
| 6 Years | XS | 25-26 | 19 |
| 7 Years | S | 26-27 | 20 |
| 8 Years | S | 27-28 | 21 |
| 9 Years | M | 28-29 | 22 |
| 10 Years | M | 29-30 | 23 |
| 11 Years | L | 30-31 | 24 |
| 12 Years | XL | 31-32 | 25 |
| 13 Years | XL | 32-34 | 26 |
| 14 Years | XXL | 34-36 | 27 |