Rookies Kids Clothing
Infants:
| Size | Ages (Years) | Height (IN) | Chest (IN) | Waist (IN) | Hip (IN) |
| 0 |
0 - 3 |
20 - 22 | 14.5 - 16.5 | 15.5 - 17 | - |
| 3M | 3 - 6 | 22 - 24.5 | 16.5 - 17.5 | 17 - 18 | - |
| 6M | 6 - 9 | 24.5 - 26.5 | 17.5 - 18 | 18 - 18.5 | - |
| 9M | 9 - 12 | 26.5 - 29.1 | 18 - 18.5 | 18.5 - 18.9 | - |
| 12M | 12 - 18 | 29.1 - 31.5 | 18.5 - 19.7 | 18.9 - 19.7 | 18.9 - 20.1 |
| 18M | 18 - 24 | 31.5 - 33.9 | 19.7 - 20.5 | 19.7 - 20.5 | 20.1 - 20.9 |
| 2T/24M | 24 - 36 | 33.9 - 36.2 | 20.5 - 20.9 | 20.5 - 20.9 | 20.9 - 21.5 |
| 3T | 36 - 48 | 36.2 - 38.6 | 20.9 - 22 | 20.9 - 21.5 | 21.5 - 22.4 |
| 4T | 48 - 60 | 38.6 - 40.9 | 22 - 22.8 | 21.5 - 22 | 22.4 - 23.6 |
Kids:
| Size | Ages (Years) | Height (IN) | Chest (IN) | Waist (IN) | Hip (IN) |
| 4 | 3-4 | 38.6-40.9 | 22 - 22.8 | 21.5 - 22 | 22.4 - 23.6 |
| 5 | 4-5 | 40.9 - 43.3 | 23 - 24 | 22 - 22.4 | 23.6 - 24.4 |
| 6 | 5-6 | 43.3 - 45.7 | 24 - 24.8 | 22.4 - 22.5 | 24.4 - 25.6 |
| 6X | 6-7 | 45.7 - 48 | 24.8 - 26 | 22.5 - 23 | - |
| 7 | 6-7 | 48 - 50.5 | 26 - 27 | 23 - 24 | 25.6 - 26.4 |
Youth:
| Size | Ages (Years) | Height (IN) | Chest (IN) | Waist (IN) | Hip (IN) |
| XS | 7 - 8 | 48 - 50.4 | 25.4 - 26 | 23.4 - 24.2 | 27 - 28 |
| S | 8 - 10 | 50.4 - 53.9 | 26 - 27.2 | 24.2 - 25.6 | 28 - 29.3 |
| M | 10 - 12 | 53.9 - 57.9 | 27.2 - 29.5 | 25.6 - 27.2 | 29.3 - 31.3 |
| L | 12 - 13 | 57.9 - 62.2 | 29.5 - 32.1 | 27.2 - 28.5 | 31.3 - 33.3 |
| XL | 13 - 15 | 62.2 - 66.9 | 32.1 - 34.8 | 28.5 - 29.7 | 33.3 - 35.2 |