#CKunfiltered: Bra Talk

A Calvin Klein mini-series discussing
your most supportive essential.

Bra Sizes Explained

Not knowing your bra size is normal. Not knowing how to measure for your bra is also normal. How do bra measuring guides even work? How do you find the most comfortable bra? And what is sister sizing? Introducing CKunfiltered: bra talk, a mini-series uncovering and answering your bra questions, and more.

Find Your Perfect Bra

The balconette. The unlined demi. The T-shirt. Bras have weird names, but they do wonderful things. In our product videos we explore different bra types, from the essential to the elevated, the best styles for lounging in to the best for low-cut tops. Discover the right bra for you in bra talk.

Bra Sizes Explained

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How to Find Your Bra Size

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Signs of an Ill-fitting Bra

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Bra Fitting

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How to

Measure Your Bra Size


Measure under the arms, around the fullest part of the chest.


Measure around the body right below the bust.

Bust MeasurementBand MeasurementBra Size
83.569-7170 A
8669-7170 B
8969-7170 C
91.569-7170 D
9469-7170 E
8674-7675 A
8974-7675 B
91.574-7675 C
9474-7675 D
96.574-7675 E
8979-8180 A
91.579-8180 B
9479-8180 C
96.579-8180 D
9979-8180 E
91.584-8985 A
9484-8985 B
96.584-8985 C
9984-8985 D
101.584-8985 DD

Best-selling Essential Bras

Lace T-shirt Bra - CK96
Lace Bralette - CK96
Lace Bralette - CK96
Plus Size Bralette - CK96
Bralette - Athletic Cotton
Triangle Bra - Athletic Cotton
Bralette - Athletic Cotton
Lift Bralette - Modern Cotton
Triangle Bra - Modern Cotton
Bralette - Modern Cotton

Bra Sizes Explained

Introducing #CKunfiltered: bra talk - the new film series from Calvin Klein. In the series, Calvin Klein answers some of the most popular bra queries, offering expert advice on finding the right bra, how to measure your bra size, different types of bra and common bra fitting problems. We also introduce the strapless bra that actually stays up, how to wear and style and bralette, and the all-new nursing bra. At the end of our bra talk series, you should have the perfect idea of which of our women's bras are best for you.

In 'Bra Sizes Explained', Calvin Klein details exactly how bra sizes work, and discusses how bra sister sizes can help you get the perfect fit. In 'How to Measure Your Bra Size', a simple at-home measuring method is revealed with extra tips on finding your right size. In '7 Signs of an Ill-fitting Bra', the most common bra-fit issues, along with solutions on how to solve them. 'The 6 Essential Bras', sees our bra experts look into different types of essential bras, outlining the best bras for low cut tops, lift and side support. We show you just how our strapless bra stays up with its side clasp fastening for a bandeau-style back that is ideal for backless dresses in 'A Strapless Bandeau Bra that Stays Up'. In 'What is a Bralette & How to Wear One', we offer some quick tips on how to style your bralette, where comfort is key whethere wearing as a bralette top or as a base layer. In 'What is a Maternity Nursing Bra', we introduce the all-new Calvin Klein nursing bra and how it works to support both new and expectant mothers with comfort, style and utility. 

We will also be explaining why t-shirt bras, plunge bras and balconette bras are best suited to different outfits and/or women. This is #CKunfiltered: bra talk.