Size Guide - Swim Dress
| 3/6M | 6/12M | 12/18M | 2Y | 3Y | 4Y | 5Y | |
| front length | 38 | 39.5 | 41 | 44 | 46 | 48 | 50 |
| neck width | 10 | 10.5 | 11 | 12 | 12.5 | 13 | 13.5 |
| front neck drop | 5 | 5 | 5.5 | 6 | 6 | 6.5 | 6.5 |
| sleeve length | 30 | 31 | 32 | 34 | 35 | 36 | 37 |
| 1/2 chest width | 21 | 22 | 23 | 24.5 | 25.8 | 27.1 | 28.4 |
| 1/2 hip width | 21 | 22 | 23 | 24.5 | 25.8 | 27.1 | 28.4 |
| 1/2 leg poening | 11.8 | 12.5 | 13.2 | 14.3 | 15.5 | 16.7 | 17.9 |
| 1/2 sleeve opening | 4.7 | 5 | 5.3 | 5.9 | 6.2 | 6.5 | 6.8 |
| ruffle width | 8 | 8 | 8 | 8.5 | 8.5 | 8.5 | 8.5 |
| zipper length | 20.5 | 20.5 | 20.5 | 22 | 22 | 22 | 22 |
| 1/2 bottom length | 73 | 74 | 75 | 78.5 | 79.5 | 80.5 | 81.5 |