Bras cup B

Cup B is a difference of about 14 centimeters between the bust circumference and the underbust circumference. One of the most frequently purchased sizes in Poland.

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  • Kleo Eva 2628 white soft embroidered balconette bra
    Plus sizes

    Kleo

    Kleo Eva 2628 white soft embroidered balconette bra

    Kleo Eva 2628 white soft embroidered balconette bra

    149,99 zł

    6 rozmiarów

  • Siejeli Delice lace lingerie set, red push-up bra
    Plus sizes

    Sielei

    Siejeli Delice lace lingerie set, red push-up bra

    Siejeli Delice lace lingerie set, red push-up bra

    101,08 zł

    4 rozmiary

  • Kleo Kerri 338 black soft underwire bra
    Plus sizes

    Kleo

    Kleo Kerri 338 black soft underwire bra

    Kleo Kerri 338 black soft underwire bra

    99,99 zł

    24 rozmiary

  • Lormar Ultra brown underwired bra with removable pads

    Lormar

    Lormar Ultra brown underwired bra with removable pads

    Lormar Ultra brown underwired bra with removable pads

    69,99 zł

    7 rozmiarów

  • Amelie 7912 Sielei Bra – padded with underwire
    Plus sizes

    Sielei

    Amelie 7912 Sielei Bra – padded with underwire

    Amelie 7912 Sielei Bra – padded with underwire

    79,99 zł

    5 rozmiarów

  • Selene Cloe black soft bra made of jacquard and lace

    Selene

    Selene Cloe black soft bra made of jacquard and lace

    Selene Cloe black soft bra made of jacquard and lace

    90,49 zł

    3 rozmiary

  • Kleo Daniella 2593 Black Bra – Lace Balconette
    Plus sizes

    Kleo

    Kleo Daniella 2593 Black Bra – Lace Balconette

    Kleo Daniella 2593 Black Bra – Lace Balconette

    101,62 zł

    18 rozmiarów

  • Kleo Eva 2628 black balconette bra, soft, embroidered
    Plus sizes

    Kleo

    Kleo Eva 2628 black balconette bra, soft, embroidered

    Kleo Eva 2628 black balconette bra, soft, embroidered

    166,99 zł

    12 rozmiarów

  • Sielei Pure Love 1976 white padded lace bra
    Plus sizes

    Sielei

    Sielei Pure Love 1976 white padded lace bra

    Sielei Pure Love 1976 white padded lace bra

    97,23 zł

    11 rozmiarów

  • Sports bra beige Sielei 1808 with pre-formed cups
    Plus sizes

    Sielei

    Sports bra beige Sielei 1808 with pre-formed cups

    Sports bra beige Sielei 1808 with pre-formed cups

    95,99 zł

    9 rozmiarów

  • New York LU033-02 Naviale: soft cotton bra

    Naviale

    New York LU033-02 Naviale: soft cotton bra

    New York LU033-02 Naviale: soft cotton bra

    86,99 zł

    5 rozmiarów

  • White wireless bra Infiore New Piuma Pizzo with lace
    Plus sizes

    Infiore

    White wireless bra Infiore New Piuma Pizzo with lace

    White wireless bra Infiore New Piuma Pizzo with lace

    69,29 zł

    5 rozmiarów

  • Sielei Amelie 7926 soft triangle leopard print bra
    Plus sizes

    Sielei

    Sielei Amelie 7926 soft triangle leopard print bra

    Sielei Amelie 7926 soft triangle leopard print bra

    74,99 zł

    3 rozmiary

  • Sielei 1452 beige soft wireless bra made of organic cotton
    Plus sizes

    Sielei

    Sielei 1452 beige soft wireless bra made of organic cotton

    Sielei 1452 beige soft wireless bra made of organic cotton

    64,99 zł

    7 rozmiarów

  • Kleo Miranda 340 soft bra black lace and cotton
    Plus sizes

    Kleo

    Kleo Miranda 340 soft bra black lace and cotton

    Kleo Miranda 340 soft bra black lace and cotton

    99,99 zł

    29 rozmiarów

  • Soft bra Kleo Miranda 340 powder in powdery
    Plus sizes

    Kleo

    Soft bra Kleo Miranda 340 powder in powdery

    Soft bra Kleo Miranda 340 powder in powdery

    115,82 zł

    23 rozmiary

  • Kleo Albina 335 Powder Bra, lace and underwire
    Plus sizes

    Kleo

    Kleo Albina 335 Powder Bra, lace and underwire

    Kleo Albina 335 Powder Bra, lace and underwire

    107,30 zł

    13 rozmiarów

  • Bra 2506 Flower Sielei white – spacer with seamless band
    Plus sizes

    Sielei

    Bra 2506 Flower Sielei white – spacer with seamless band

    Bra 2506 Flower Sielei white – spacer with seamless band

    84,57 zł

    13 rozmiarów

  • Sielei 1808 black sports bra with pre-formed cups
    Plus sizes

    Sielei

    Sielei 1808 black sports bra with pre-formed cups

    Sielei 1808 black sports bra with pre-formed cups

    82,77 zł

    10 rozmiarów

  • Kleo Ariel 3584 Soft Plunge – soft lace bra

    Kleo

    Kleo Ariel 3584 Soft Plunge – soft lace bra

    Kleo Ariel 3584 Soft Plunge – soft lace bra

    139,99 zł

    9 rozmiarów

  • Lormar Curvy 400L white soft lace bra
    Plus sizes

    Lormar

    Lormar Curvy 400L white soft lace bra

    Lormar Curvy 400L white soft lace bra

    74,99 zł

    10 rozmiarów

  • Sielei Allure 2686 bra with lace band, black
    Plus sizes

    Sielei

    Sielei Allure 2686 bra with lace band, black

    Sielei Allure 2686 bra with lace band, black

    89,99 zł

    7 rozmiarów

  • Spiman Jane microfiber and jacquard underwire bra beige

    Spiman

    Spiman Jane microfiber and jacquard underwire bra beige

    Spiman Jane microfiber and jacquard underwire bra beige

    93,90 zł

    8 rozmiarów

  • Sielei 146 white padded non-wired nursing bra
    Plus sizes

    Sielei

    Sielei 146 white padded non-wired nursing bra

    Sielei 146 white padded non-wired nursing bra

    107,73 zł

    7 rozmiarów

What to look out for

In practice the letter describes the difference between two measurements, not the absolute size of the breast: the same cup on a 70 band and on a 90 band is a completely different volume.

What else is worth checking

Most styles work well in a B cup: moulded under fitted clothes, balconettes under wide necklines, soft-cup for every day. If the cup wrinkles at the top, try the same band in an A; if the breast spills over the top, move up to a C.

Fabrics and comfort

Check your size with two measurements: take the underbust measurement firmly, breathing out, and the bust measurement loosely, at its widest point. The difference gives the letter, the underbust measurement - the number. Every size has its sister sizes: the same bust also fits one band smaller with the next letter up, and one band larger with the next letter down. If your size is temporarily unavailable in a particular model, that is the first place worth looking.

Delivery and returns

The underbust band should sit horizontal and pull away about two fingers, the underwire should rest on the ribs and not on the breast, and the straps should not leave marks. Wash in a laundry bag at 30°C with the hooks done up, and dry flat. Orders over PLN 199 ship free, and you have 60 days to return your order.

The letter B corresponds to the bust measurement exceeding the band measurement by 13-15 cm. We have gathered models in this letter in every band size we stock, so that styles can be compared without keeping an eye on the band number.

Remember that the letter on its own says nothing about breast size - a B on a 70 band is a completely different volume from a B on a 95 band. That is why changing the band means adjusting the letter as well: going one band down means going one letter up.

You will find specific numbers in the size collections, for example 75B and 85B. Before you decide, measure yourself and check the numbers against the size guide.

At this volume it is usually the shape of the cup that decides, not its capacity. A cup moulded from a single piece of foam gives a smooth, predictable line under clothes and works well under knitwear. A seamed cup sits more naturally. A push-up moves volume down and in, while a non-wired model keeps the natural shape and is the most comfortable at home.

One more tip: in this letter it is particularly easy to confuse fit with style. If the cup is right at the bottom but wrinkles at the top, the problem is the cut, not the size - simply move from a full cup model to a balconette or a half cup.

Frequently asked questions

How many centimetres of difference does a B cup mean?

Around 13-15 cm between the bust measurement and the underbust measurement.

Is a B cup always the same volume?

No. On a larger band the same letter corresponds to a larger cup volume.

Which style should I choose in a B cup?

For a smooth line under clothes - a moulded cup; for a natural shape - a seamed cup or a non-wired model.

How do I change size when the band is too loose?

Drop one band size and choose one letter up, in other words the sister size.