Sister bra size chart

Sister Size Bras to Find Your Perfect Fit: Learn to determine your ideal bra size from 30 to 44. Find out now from our sister size chart

One of the many cool things about bras is that we all have a least two sizes. Learn how to find your true fit and your sister sizes.

If you have to wear a bra, you may as well enjoy it.

Sister Sizes is slightly confusing lingerie jargon. But we’re here to give you the simple run down! Find your fit with the sister sizing equivalents explained.

If you're a visual person, this chart should help you understand bra sister sizing!

Sister sizing is a really useful tool in bra-making. It’s the principle that some bra sizes share cup sizes, but have different band sizes, which basically means that you can create a new bra size, just by changing the length of your band. It’s a bit complicated to explain all in words so here is […]

A sister size is a related bra size with the same cup volume of each other. One's sister size could, in theory, be used as a substitute for one's true size, but the bra wouldn't fit correctly.[3] Sister sizes have the same cup volume as each other. The difference of band size simply changes the fit. The idea behind sister sizes: If you increase the band size, you need to decrease the cup size to maintain the same volume. If you decrease the band size, you will need to increase the cup size…

To check your bra size, you need two measurements, underbust & overbust measurements but why add 4 inches to the bra band size? Read our blogpost.

Find your bra size at home in just 4 steps.