Size Guide
Finding your perfect fit can be confusing - we've got you. This guide walks you through how to measure, how to choose between sizes, and how our sizing compares to other regions - so you can order with confidence.
HOW TO MEASURE:
- Underbust: Measure snugly around the your ribcage, directly under your bust.
- Bust: Measure around the fullest part of your bust.

BRA SIZE GUIDE - BODY MEASUREMENTS

CUP GUIDE

BOTTOMS SIZE GUIDE

SISTER SIZING
Bra size doesn't work the same way as clothing size - band size varies with cup size by a ratio. If you go up a cup size, you'll go down a band size and vice-versa to land a similar overall fit.
Use the table below to find your sister sizes (shaded):

INTERNATIONAL BRA SIZE CONVERSION

Still unsure? Your first set with Private Affair includes First Set Fit Support - if it doesn't fit, we'll make sure you get your perfect size. See our Returns Policy for details.