How to Fit One Pieces

Examples in AUS or US sizes below

AUS Sizing Example

Have your dress size and bra size ready

Your dress size & bra size match


Bra 12DD
Dress 12

Your bra size and dress size match
so there is no need to adjust your size.
Purchase your bra size.

Purchase = 12DD

Your dress size larger than bra size


Bra 12DD
Dress 14

Our one pieces are made to fit the body first.
Use the sister size rule by going up in the bra band
size and down in the cup size to get the right fit.

Purchase = 14D

Your dress size smaller than bra size


Bra 12DD
Dress 10

Our one pieces are made to fit the body first.
Use the sister size rule by going down in the bra band size and up in the cup size to get the right fit.

Purchase = 10E

US Sizing Example

Have your dress size and bra size ready

Your dress size & bra size match


Bra 34DD
Dress 8

Your bra size and dress size match
so there is no need to adjust your size.
Purchase your bra size.

Purchase = 34DD

Your dress size larger than bra size


Bra 34DD
Dress 10

Our one pieces are made to fit the body first.
Use the sister size rule by going up in the bra band
size and down in the cup size to get the right fit.

Purchase = 14D

Your dress size smaller than bra size


Bra 34DD
Dress 6

Our one pieces are made to fit the body first.
Use the sister size rule by going down in the bra band size and up in the cup size to get the right fit.

Purchase = 10E

Still unsure of your size?

Easy and simple, like it should be.

Fit Quiz


Find the right size and style in 90
seconds with our fit quiz designed by
our team of expert Fit Specialists

Find My Fit

Fit Specialists


When your order arrives, our team
of Fit Specialists are here to help
with any size or style questions

Chat To Us

Easy Refunds


Try your order and if you don't love it
for any reason we'll take full-priced
items back for a refund

Returns Policy

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