Underwire Size Chart US
| 32 | 34 | 36 | 38 | 40 | 42 | |
| A | XS | S | ||||
| B | XS | S | M | L | XL | |
| C | S | M | L | XL | XL | |
| D | M | L | M D/DD | L D/DD | XXL | |
| DD | S - D/DD | M D/DD | L D/DD | XXL | XXXL | |
| DDD | XXL | XXXL |
| 32 | 34 | 36 | 38 | 40 | 42 | |
| A | XS | S | ||||
| B | XS | S | M | L | XL | |
| C | S | M | L | XL | XL | |
| D | M | L | M D/DD | L D/DD | XXL | |
| DD | S - D/DD | M D/DD | L D/DD | XXL | XXXL | |
| DDD | XXL | XXXL |