Every woman, that wears bras, should know about her bra sister sizes.
- What are bra sister sizes?
- Why should I know about bra sister sizes?
- Do I have a bra sister size?
What are bra sister sizes?
Every bra size is surrounded by a set of bra sister sizes. These sister sizes have a different band size and a different number cup size. However, the cup volume of the sister sizes is the same.
Especially if you’re in between two possible band sizes you’ll surely have a bra sister size you might wanna try and buy sometimes.
I myself have 3 different bra sizes that fit me just fine. I have one bra size I wear the most. Sometimes I go for a band size 36 instead of the 34 I usually wear. In this case, I go down a cup size to keep the same cup volume.
The cups in a 36 are also a bit wider set and I find this sometimes better for me. Depending on the brand and bra style I try different sizes and actually own different sizes.
Why should I know about bra sister sizing?
- Most women can wear different bra sizes and they all fit them well. So that’s different sizes for the same woman!
- Knowing about bra sister sizes will make shopping bras more fun. You know what sizes to look for. And depending on the brand and bra style you may wanna choose a different bra size than you usually wear.
Because of the fact that your body has changed and the bra band is either too wide or the band is too small, it’s logical to choose a different bra band. If you want to keep the same cup volume your bra sister size is what you need.
Do I have a bra sister size?
Every woman has a bra sister size. I think it’s a must-know when shopping for a bra. Knowing your bra sister size will help you choose between different sizes if you need to. Remember that different brands and bra styles might have a different fit.
I’ll give you 2 examples that’ll give you a good idea of how to deal with a bra size change.
Going up a band size | you want to keep the same cup size
You wear a 36C bra. You are not happy with the band size and find it a bit too tight. You don’t wanna change the cup size,
- you choose bra size 38B (that is your bra sister size).
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Going down a band size | you want to keep the same cup size
You wear a 36C bra. You are not happy with the band size and find it a bit too loose. You don’t wanna change the cup size.
- you choose bra size 34D (that is your bra sister size)
Understanding bra sister sizing is a great help in finding the right bra. Read all our topics on bra sizing in our measure guide »
Researches say 60 to 80 percent of women do NOT wear their right bra size