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Sister Sizes

Sister Sizing can be a slightly confusing lingerie term for a simple concept and we’re here to simplify it for you!

Sister Sizes are similar sizes that fit your measurements, they are your bra size equivalent. It can be helpful to have more than one option to try on, allowing you to perfect your fit and ensure you are getting a bra that fits you comfortably.

 The idea is if you go down an underband size and go up a cup size, you should have a similar fit. And the same if you were to go up an underband size and down a cup size. Finding a sister size can be convenient if your true size is unavailable!

For example, you might be a 34D. But your sister sizes are 32DD and 36C. They are the sizes directly left and right of your measured size in the chart. These bras can hold the same capacity, but at a different band size. At 32DD you’d have a much firmer band, whereas 36C would be a more relaxed feel without the loss of support. Your underband should always feel firm but not feel restrictive so be careful when opting for a looser underband if you plan on everyday wear.

It’s important to note, cup size is relative to your band size. If you only go up a band size and don’t also go down a cup size, you won’t be able to achieve a similar fit.

Your sister sizes might not always be a perfect fit. The best fitting bra will usually be the one you measure to. Sister Sizes are a nice option, just in case.

In the chart, find your size, then look at the sizes directly to the left and right of your size to find your sister sizes.

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