a quick quiz:


our approach is 🥁🥁🥁 simple. intuitive letter sizing that allows for flexibility. we understand that our bodies change throughout cycles and phases. that’s why we embrace a flexible size system you can always come back to. do u.

because our bras are designed using soft, stretchy elastic and fabric—no uncomfortable wires, itchy hooks, or fussy adjustable straps—there is flexibility between sizing. our design is similar to a sports bra: you pull it over your head, and we do not use standard band and cup sizes. fit recs:

the everyday bra - the band that runs below the chest is snug. if you are deciding between two sizes, we strongly recommend sizing up for maximum comfort.

the u bra - runs true to size. if you are deciding between two sizes, we recommend sizing down for additional gentle support.

if you prefer to compare letter sizes to your band and cup size, here are our recommendations—

28

30

32

34

36

38

40

42

AA

XS

XS

A

XS

XS

S

S

M

L

B

XS

S

M

L

XL

C

S

M

L

XL

D

M

L

XL

XL

XXL

E/DD

M

L

XL

XL

XXL

XXXL

F/DDD

M

L

XXL

XXL

XXXL

XXXL

G/DDDD

XXL

XXXL

XXXL


if you prefer to compare letter sizes to your under bust measurement (in inches) and dress size, here are our recommendations—

XS

S

M

L

XL

XXL

XXXL

under bust measurement (inches)

25"-26"

27"-28"

29"-30"

31"-32"

33"-34"

35"-36"

37"-38"

dress size

00-2

2-4

4-6

8-10

12-14

14-16

18

we continue to gather fit feedback for you. if you have any questions, please reach out to us at  hello@underbares.com - we can help!