Reviewed
38A vs 38B
38B is bigger than 38A. Same band, and 38B has the larger cup letter, so it holds more.
Side by side
| 38A | 38B | |
|---|---|---|
| Relationship | Same band, different cup | |
| UK | 38A | 38B |
| AU | 16A | 16B |
| EU | 85A | 85B |
| FR | 100A | 100B |
| Underbust | 38–39 in | 38–39 in |
| Bust | ≈ 39 in | ≈ 40 in |
| Cup volume | 38B holds more | |
On the size chart
38A is marked in ink and 38B is outlined. The yellow diagonal through 38A shows every size with the same cup volume.
A
B
C
D
DD
DDD
G
H
28
30
32
34
36
38
40
42
44
Read each size
Questions
Is 38A or 38B bigger?
38B is bigger than 38A. Same band, and 38B has the larger cup letter, so it holds more.
Can I wear 38B if I'm a 38A?
Only if the fit check says so. A different cup letter on the same band changes the cup volume, so try both where returns are easy.
What are 38A and 38B in UK sizes?
38A is UK 38A and 38B is UK 38B. In Europe they are 85A and 85B.