Why Your Bra Size Is Different From Store To Store

There isn’t an industry-standard set of sizing specifications, but here are some brands that make a concerted effort to be consistent.

Women are often faced with the less-than-ideal choice of buying a bra that doesn’t fit or taking out a second mortgage to pay for one that does. Even worse: Shelling out big bucks doesn’t seem to guarantee you’ll be wearing the right size. 

I know because I recently visited two high-end retailers and a Victoria’s Secret to get measured. At one of the high-end stores, I was fitted for a 32G that cost $168. At another, I was declared a 30GG. And at Victoria’s Secret, the fitting room associate put me in a laughable 36D.

On some level, women are used to this. We know that the size we wear in shirts and jeans will vary from retailer to retailer and brand to brand. But when the same is true of bras, it feels particularly galling

“Even in the same company, sometimes the bras all run differently, and a 34B [in one style] is not the same as another 34B,” Linda “The Bra Lady” Becker told HuffPost. The two boutiques bearing her name — one in New York City and one in New Jersey — are beloved for their highly trained staff and their comprehensive inventory of more than 275 bra sizes. 

Open Image Modal
ThirdLove
ThirdLove uses more than 600 million data points to inform their product decisions.

It’s frustrating to learn there isn’t an industry-standard set of sizing specifications upon which manufacturers base their designs. “Each brand grades their bras in its own way,” said Elly Corney, founding director of Bravissimo, the revered British retailer that just opened its first U.S. store in New York. (For busty gals, this is a very big deal.) “They will only wear-test one size and then will apply an incremental grade across the entire size range.”

This slap-dash approach seems like a problem the industry honchos should get together and solve. After all, a bra is arguably the most important piece of clothing a female-identifying person wears: The correct bra lifts and shapes, helping define your waistline and just generally making your clothes look even better.

Blessedly, Bravissimo and lingerie startup ThirdLove understands this, and they’ve bucked widely accepted design practices. 

“We wear-test sizes across the spectrum to ensure that the fit and support of a bra is excellent across the whole size range,” Corney said. “Many high-street retailers don’t do this. This is one reason why bras sold in local stores are less expensive.” 

Bravissimo’s designers regularly fit women across its entire extended-size range — which includes cup sizes up to L — basing their patterns on the women’s measurements. In the 10 years that the company has been making bras, technical designers have fitted “hundreds, if not thousands, of women,” said Corney. “Our customers help us with this, as do the many women who work for Bravissimo. We currently have over 800 employees, and 95% of them are women, with an all-female senior leadership team.” The retailer also offers a full line of clothing designed specifically for women with more on top.

ThirdLove, which earned a spot on Forbes’ 2019 list of startups most likely to reach a $1 billion valuation, has taken it one step further. “Over 15 million women have taken our Fit Finder, and we use the more than 600 million data points collected from the quiz to inform our product decisions,” said Ra’el Cohen, the company’s chief creative officer.

Open Image Modal
Bravissimo
Bravissimo's stock room in New York City includes bras in cup sizes ranging all the way up to L.

Cohen said one of ThirdLove’s first “aha” moments occurred when they looked at the data and realized that more than a third of women fell between cup sizes. Hence, their quiet revolution: the invention of half sizes. In addition, their Fit Finder takes into account breast shape, asking you to describe them with terms like “East West” and “Bell.”

“When it comes to sizing, we have literally had to break the mold … but it’s worth it to offer women a better fitting, high-quality product,” Cohen said. 

Maybe you can’t make it to Bravissimo’s New York store or you need something quick and can’t wait on a ThirdLove delivery. In that case, head to your nearest department store and check out Wacoal, a brand Becker recommends for consistent sizing. But, regardless of the brand, here’s how you’ll know if a bra fits, according to Becker: 

  • The underwire should be behind your breast, not digging into it or lifting off your chest. It should comfortably circle your entire breast. 

  • Check to make sure you’re not spilling out at the top or sides, which means the bra is too small. If there are gaps in the fabric, the cups are too big. 

  • Make sure the band fits snugly without riding up in the back. 

Because every woman’s body is unique, “you really need to try a bra on to see how it fits you, how you feel in it and which size is right for you,” Corney advised. “Once you know what to look for, this is easy, not a dark art!”

Our 2024 Coverage Needs You

As Americans head to the polls in 2024, the very future of our country is at stake. At HuffPost, we believe that a free press is critical to creating well-informed voters. That's why our journalism is free for everyone, even though other newsrooms retreat behind expensive paywalls.

Our journalists will continue to cover the twists and turns during this historic presidential election. With your help, we'll bring you hard-hitting investigations, well-researched analysis and timely takes you can't find elsewhere. Reporting in this current political climate is a responsibility we do not take lightly, and we thank you for your support.

to keep our news free for all.

Support HuffPost

Before You Go

Bras For Different Sized Boobs
Anaono Rora pocketed front closure bra(01 of07)
Open Image Modal
This bra was designed to serve people who have undergone a mastectomy or breast reconstruction, have uneven breasts and more. It's comfortable and practical while also having a cute sporty vibe. It has convertible and adjustable straps for versatility, and includes removable padding that you can use to enhance your breasts as needed. It's available in four different colors in sizes XS to 3X. (credit:Anaono)
Third Love classic plunge bra(02 of07)
Open Image Modal
Third Love's signature half-cup sizes make a big difference when trying to accommodate differently-sized breasts, and the retailer has an entire landing page of styles intended for uneven cup sizes. Their plunge bra has foam plunge cups with removable inserts, key when trying to find the perfect fit. It's comfortable, soft and sweet. It's available in sizes AA to H and 32 to 44 band size. (credit:Third Love)
Aerie Eyelash lace padded plunge bralette(03 of07)
Open Image Modal
Available in six different colors and sizes XXS to XXL, this sweet padded plunge bralette has everything you love about a sexy bralette but with the extra support and comfort of a plunge bra. The band and the straps are adjustable so you can customize the fit to one that is best for our body. (credit:Aerie)
Cuup The Plunge mesh bra(04 of07)
Open Image Modal
Cuup's sexy plunge bra has a deep V cut that helps to create a natural, flattering shape. It has a supportive mesh design and lightweight, flexible underwire, with adjustable straps for a more comfortable fit. It's available in eight core colors and nine limited-edition hues in sizes 30A to 44H. (credit:Cuup)
Warner's Invisible Bliss bra(05 of07)
Open Image Modal
If you're more comfortable with a full coverage bra, then check out Warner's Invisible Bliss cotton bra. You can pop an insert in it if needed, or let the slightly molded cups do the work for you. It's smooth and free of hardware, making it perfect to wear under T-shirts. It's available in five neutral colors.

34A to 40C.
(credit:Amazon)
Skims Fits Everybody crossover bralette(06 of07)
Open Image Modal
This simple, comfortable and chic everyday bra is as soft and cozy as it gets. It has a plunging surplice design that is supportive and will mold to each individual breast, plus fully adjustable straps. It comes in nine core colors and nine seasonal colors in sizes XXS to 4X. (credit:Skims)
Spanx Bra-llelujah! demi lift bra(07 of07)
Open Image Modal
Available in black or beige, Spanx's cheekily-named bra gives a graduated lift that some with uneven breasts might find helpful. It's made with smooth, comfortable fabric and has adjustable straps to keep things extra snug and cozy. The lack of extended sizing is the one downside, as it extends only from 32A to 38C. (credit:Spanx)

HuffPost Shopping’s Best Finds

MORE IN LIFE