Size Guide - Swim Nappies
| 3/6M | 6/12M | 12/18M | 2Y | 3Y | |
| 1/2 waist width | 17,5 | 18,5 | 19,5 | 20,5 | 21,5 |
| 1/2 waist width extended | 25,0 | 26,5 | 28,0 | 29,0 | 30,0 |
| 1/2 hip width | 25,0 | 26,5 | 28,0 | 29,0 | 30,0 |
| front rise | 18,0 | 19,0 | 19,5 | 20,0 | 20,5 |
| back rise | 20,0 | 21,0 | 21,5 | 22,0 | 22,5 |
| side length | 7,75 | 8,0 | 8,25 | 8,5 | 8,75 |
| 1/2 leg opening relaxed | 11,0 | 11,5 | 12,0 | 12,5 | 13,0 |
| 1/2 leg opening extended | 14,5 | 15,0 | 16,0 | 17,0 | 18,0 |
| crotch seam | 7,0 | 7,0 | 7,25 | 7,5 | 7,5 |
| waist band | 1,0 | 1,0 | 1,0 | 1,0 | 1,0 |