This size chart is the size of the actual garment when done up to the tightest and loosest point. Measure your chest at the point you will be wearing the harness. Busty plus is designed with wider breast cups. If you are unsure, shoot through a message or email us. As an example, a standard Australian size 10 fits in a M-L at the tightest setting.
| Size in cm | Underbust Smallest | Underbust Largest | Cup width |
| XS-S | 65 | 76 | 14 |
| M-L | 80 | 90 | 15 |
| XL | 86 | 96 | 15 |
| 2XL | 90 | 102 | 15 |
| 3XL | 105 | 117 | 15.5 |
| 4XL | 108 | 123 | 16 |
| 5XL | 112 | 128 | 16 |
| 6XL | 115 | 130 | 16 |
| 3XL-4XL Busty Plus | 112 | 125 | 19 |
| 5XL-6XL Busty Plus | 120 | 132 | 21 |
| Size in inches | Underbust Smallest | Underbust Largest | Cup width |
| XS-S | 25.6 | 29.9 | 5.5 |
| M-L | 31.5 | 35.4 | 5.9 |
| XL | 33.9 | 37.8 | 5.9 |
| 2XL | 35.4 | 40.2 | 5.9 |
| 3XL | 41.3 | 46.1 | 6.1 |
| 4XL | 42.5 | 48.4 | 6.3 |
| 5XL | 44.1 | 50.4 | 6.3 |
| 6XL | 45.3 | 51.2 | 6.3 |
| 3XL-4XL Busty Plus | 44.1 | 49.2 | 7.5 |
| 5XL-6XL Busty Plus | 47.2 | 52.0 | 8.3 |