Bras N Things to Brooks bra size
The short answer
Bras N Things 12D is Brooks L by the two brands' own charts.
The target brand lists the bra sizes each of its sizes covers; rows are read from that list.
| Bras N Things | Bras N Things builds it for | Brooks, by chart | Same label | Brooks builds it for | Brooks also prints |
|---|---|---|---|---|---|
| 12A | not published | M | not published | not published | not published |
| 12B | not published | M | not published | not published | not published |
| 12C | not published | M | not published | not published | not published |
| 12D | not published | L | not published | not published | not published |
| 12DD | not published | L | not published | not published | not published |
| 12E | not published | XL | not published | not published | not published |
| 12F | not published | not made | not published | not published | not published |
| 12G | not published | not made | not published | not published | not published |
What wearers say
Charts describe a garment. People who own both brands describe a fit, and their answer ranks above this table once five of them stand behind it. Pick your size in the converter to see whether there are enough yet.
Sources
- Bras N Things size guide, read on 2026-09-18.
- Brooks size guide, read on 2026-09-18. Brooks on TrueToSize