Technology & Size Guide

We use sister sizing for our bras. Before ordering please use the correct cup style size chart to convert your size.

If you are unsure what size to order please email us at shop@thebralab.com 

A GUIDE TO BRA SIZING

Finding your bra size can be quite difficult, so we are breaking it down.

1. Cup sizing is relative to band sizing. So, a C cup for instance is not a universal size. Someone who wears a 32C has a totally different C cup than someone who wears a 38C. The volume of the cup gets larger as the band size increases. It is all relative to the band size.

2. Measuring: To get your size measure your bust (just across your nipples), round up to the nearest inch. Then, measure your under bust (just around your ribcage), if you get an odd number round to the nearest even number. Subtract your band size from your bust size, and use the difference to find your cup size on the size chart below. You will then need to apply your size to our SISTER SIZING guide (located on the product pages).

HOW SISTER SIZING WORKS

As the back size increases the cup size decreases but the breast volume stays the same.  

HOW TO WEAR YOUR BRA LAB

WAYS TO WEAR YOUR BRA LAB