One Piece Sizing
| UK | Tops | |
| Bust (in) | Waist (in) | |
| XS (6) | 31.1 | 24.8 |
| S (8) | 32.3 | 26 |
| M (10) | 34.6 | 28.3 |
| L (12) | 37.4 | 31.1 |
| XL (14) | 40.2 | 33.9 |
| US | Tops | |
| Bust (in) | Waist (in) | |
| XS (2) | 31.1 | 24.8 |
| S (4) | 32.3 | 26 |
| M (6) | 34.6 | 28.3 |
| L (8) | 37.4 | 31.1 |
| XL (10) | 40.2 | 33.9 |
| EU | Tops | |
| Bust (in) | Waist (in) | |
| XS (34) | 31.1 | 24.8 |
| S (36) | 32.3 | 26 |
| M (38) | 34.6 | 28.3 |
| L (40) | 37.4 | 31.1 |
| XL (42) | 40.2 | 33.9 |
| FR | Tops | |
| Bust (in) | Waist (in) | |
| XS (34) | 31.1 | 24.8 |
| S (36) | 32.3 | 26 |
| M (38) | 34.6 | 28.3 |
| L (40) | 37.4 | 31.1 |
| XL (42) | 40.2 | 33.9 |
| JP | Tops | |
| Bust (in) | Waist (in) | |
| XS (5) | 31.1 | 24.8 |
| S (7) | 32.3 | 26 |
| M (9) | 34.6 | 28.3 |
| L (11) | 37.4 | 31.1 |
| XL (13) | 40.2 | 33.9 |
| AU | Tops | |
| Bust (in) | Waist (in) | |
| XS (6) | 31.1 | 24.8 |
| S (8) | 32.3 | 26 |
| M (10) | 34.6 | 28.3 |
| L (12) | 37.4 | 31.1 |
| XL (14) | 40.2 | 33.9 |