Sonata Sizing
| XS | S | M | L | XL | |
| UK | 4-6 | 8-10 | 10-12 | 14-16 | 18-20 |
| USA | XS | S | M | L | XL |
| Canada | XS | S | M | L | XL |
| Australia | XS | S | M | L | XL |
| France | 34 | 36 | 38 | 40 | 42 |
| Europe | 36-38 | 40-42 | 44-46 | 48-50 | 52-54 |
| China | S | M | L | XL | XXL |
| Bust | 32″ | 34″ | 36″ | 38″ | 40″ |
| 81cm | 86cm | 91cm | 97cm | 102cm | |
| Waist | 24″ | 26″ | 28″ | 30″ | 32″ |
| 61cm | 66cm | 71cm | 76cm | 81cm | |
| Bra Sizing | |||||
| XS | 32A | 34A | 36A | ||
| S | 32B | 34B | 36B | ||
| M | 32C | 34C | 36C | ||
| L | 30D | 32D | 34D | 36D | |
| XL | 30DD | 32DD | 34DD | 36DD |