When trying to decide between two sizes, choose the larger size for a better fit.
| Size | Chest | Waist | Hips | Inseam | Height | Weight |
| XXS (2) | 19.5 | 20 - 20.5 | 20.75 | 14.125 | 34 - 36 | 33-36 lbs. |
| XS (4) | 21.5 | 21 - 21.5 | 22.75 | 17.125 | 39 - 41 | 36-44 lbs. |
| S (6) | 23.5 | 22 - 22.5 | 24.75 | 20.125 | 45 - 46 | 57-58 lbs. |
| M (8) | 26.5 | 23 - 23.5 | 27.75 | 24.25 | 52 - 53 | 70-79 lbs. |
| L (10) | 28 | 24 - 25 | 29.25 | 26.75 | 54 - 55 | 79-80 lbs. |
| XL (12) | 29.5 | 25 - 26 | 31.25 | 29.75 | 56 - 58 | 82-85 lbs. |
| XXL (14) | 31 | 26 - 26.5 | 33.25 | 32.75 | 59 - 60.5 | 87-95 lbs. |
| XXXL (16) | 32.5 | 27 - 28.5 | 35.25 | 34 | 61.5 - 62 | 96-105 lbs. |
