Bra sister sizes is a great way to open up more options when you are shopping for bras. Especially if you are shopping for bras online and encounter the challenge of bra fragmentation.
Bra Sister Sizing means shifting sizes while keeping proportions the same. Bra sizes are about volume, so you can often maintain the same volume by going a size down or up.
Use the chart below to find your preferred UK size and see what options are out there for you.