When trying to decide between two sizes, choose the larger size for a better fit.
| Sizes | Chest | Waist | Hips | Height | Weight |
| XS (4 - 6) | 25" | 24" | 26" | 46" | up to 55 lbs. |
| S (6 - 8) | 27" | 24" | 28" | 53" | up to 70 lbs. |
| M (8 - 10) | 29" | 25" | 30" | 55" | up to 80 lbs. |
| MP (8 - 10) | 32" | 28" | 33" | 55" | up to 90 lbs. |
| L (10 - 12) | 30" | 26" | 32" | 58" | up to 90 lbs. |
| LP (10 - 12) | 33" | 29" | 35" | 58" | up to 100 lbs. |
| XL (12 - 14) | 32" | 27" | 34" | 61" | up to 100 lbs. |
| S/M (6 - 10) | 27 - 29" | 24 - 25" | 28 - 30" | 55" | up to 80 lbs. |
| L/XL (10 - 14) | 30 - 32" | 26 - 27" | 32 - 34" | 61" | up to 100 lbs. |
| Junior SM (3-5) | 34" | 27" | 34" | 65" | up to 110 lbs. |
| Junior MD (7-9) | 36 | 27.5 | 36 | 67 | up to 120 lbs. |
| Junior LG (11-13) | 38 | 28 | 38 | 68 | up to 135 lbs. |
