Sielei Bras

SieLei bras are Italian lingerie in cup sizes B to E, mostly in soft versions in our offer. Soft models do not have molded foam - the shape is given by the cup cut, and the breast settles naturally.

In addition to elastane and cotton, modal often appears in the compositions: a cellulosic fiber smoother than cotton, which does not pill after washing and feels cool to the touch. This is a comfortable solution for all-day wear and for skin sensitive to rough materials.

Soft bras are suitable for everyday wear, travel, and sleeping. If you want to smooth your bust under a thin blouse, opt for padded models instead - a soft cup does not cover the nipples.

Many models belong to series with matching bottoms, so it's easy to complete a set. Choose your size by the underbust circumference and cup letter; if your size is unavailable, check sister sizes. Wash in a bag at 30 degrees Celsius. Free delivery from 199 PLN, returns within 14 days.

If you want a set, check the series name in the product title - the bottom in the same pattern can usually be found under the same name.

Rozmiarówki marek różnią się od siebie. Sprawdź, jaki rozmiar wychodzi w marce Sielei i czy mamy go w ofercie.

Sprawdź swój rozmiar w tej marce
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  • Sielei 1452 white soft wireless bra made of organic cotton
    Plus sizes

    Sielei

    Sielei 1452 white soft wireless bra made of organic cotton

    Sielei 1452 white soft wireless bra made of organic cotton

    78,10 zł

    6 rozmiarów

  • Sielei Fantastic Nero 1570 Bandeau Bra with Silicone Back

    Sielei

    Sielei Fantastic Nero 1570 Bandeau Bra with Silicone Back

    Sielei Fantastic Nero 1570 Bandeau Bra with Silicone Back

    114,30 zł

    3 rozmiary

  • Sielei black bra, pure cotton, wireless, with lace
    Plus sizes

    Sielei

    Sielei black bra, pure cotton, wireless, with lace

    Sielei black bra, pure cotton, wireless, with lace

    69,61 zł

    5 rozmiarów

  • SieLei white bra made of pure cotton, wireless, with lace
    Plus sizes

    Sielei

    SieLei white bra made of pure cotton, wireless, with lace

    SieLei white bra made of pure cotton, wireless, with lace

    69,61 zł

    6 rozmiarów

  • Sielei 1570 Fantastic ecru bandeau bra, smooth cups

    Sielei

    Sielei 1570 Fantastic ecru bandeau bra, smooth cups

    Sielei 1570 Fantastic ecru bandeau bra, smooth cups

    114,30 zł

    Ostatni rozmiar: 80B

  • Sielei 2452 white padded bra with lace band
    Plus sizes

    Sielei

    Sielei 2452 white padded bra with lace band

    Sielei 2452 white padded bra with lace band

    108,50 zł

    4 rozmiary

  • Bra 1580 Sielei nude – smooth microfiber strapless bra
    Plus sizes

    Sielei

    Bra 1580 Sielei nude – smooth microfiber strapless bra

    Bra 1580 Sielei nude – smooth microfiber strapless bra

    114,30 zł

    5 rozmiarów

  • SieLei 1806 White Soft Front-Closure Bra

    Sielei

    SieLei 1806 White Soft Front-Closure Bra

    SieLei 1806 White Soft Front-Closure Bra

    105,94 zł

    4 rozmiary

  • Soft black Sielei 1806 bra, front closure

    Sielei

    Soft black Sielei 1806 bra, front closure

    Soft black Sielei 1806 bra, front closure

    105,94 zł

    4 rozmiary

  • Soft beige Sielei 1806 front-fastening bra

    Sielei

    Soft beige Sielei 1806 front-fastening bra

    Soft beige Sielei 1806 front-fastening bra

    105,94 zł

    3 rozmiary

  • Bra 1570 Fantastic White Sielei – bandeau type

    Sielei

    Bra 1570 Fantastic White Sielei – bandeau type

    Bra 1570 Fantastic White Sielei – bandeau type

    114,30 zł

    2 rozmiary

  • Sielei Fantastic 1590 push-up bra with convertible straps
    Plus sizes

    Sielei

    Sielei Fantastic 1590 push-up bra with convertible straps

    Sielei Fantastic 1590 push-up bra with convertible straps

    111,14 zł

    8 rozmiarów

  • Bra 1580 Sielei black - smooth microfiber balconette

    Sielei

    Bra 1580 Sielei black - smooth microfiber balconette

    Bra 1580 Sielei black - smooth microfiber balconette

    114,30 zł

    5 rozmiarów

  • 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

    78,10 zł

    7 rozmiarów

  • Sielei Cotton 1454 white cotton sports bra
    Plus sizes

    Sielei

    Sielei Cotton 1454 white cotton sports bra

    Sielei Cotton 1454 white cotton sports bra

    86,55 zł

    3 rozmiary

  • Sielei 20 white cotton front-fastening soft bra
    Last fewPlus sizes

    Sielei

    Sielei 20 white cotton front-fastening soft bra

    Sielei 20 white cotton front-fastening soft bra

    77,40 zł

    2 rozmiary

  • Bra 1580 Sielei white – smooth microfiber balconette
    Plus sizes

    Sielei

    Bra 1580 Sielei white – smooth microfiber balconette

    Bra 1580 Sielei white – smooth microfiber balconette

    99,89 zł

    7 rozmiarów

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

    Sielei

    Bra 2506 Flower Sielei beige – spacer with a seamless band

    Bra 2506 Flower Sielei beige – spacer with a seamless band

    98,36 zł

    6 rozmiarów

  • Sielei Allure 2674 Black Push-up Bra with White Lace
    Plus sizes

    Sielei

    Sielei Allure 2674 Black Push-up Bra with White Lace

    Sielei Allure 2674 Black Push-up Bra with White Lace

    95,80 zł

    5 rozmiarów

  • Sielei Cotton 1454 women's black cotton sports bra
    Plus sizes

    Sielei

    Sielei Cotton 1454 women's black cotton sports bra

    Sielei Cotton 1454 women's black cotton sports bra

    86,55 zł

    4 rozmiary

  • Wonder Lace 2446 Sielei Bra – lace, wireless

    Sielei

    Wonder Lace 2446 Sielei Bra – lace, wireless

    Wonder Lace 2446 Sielei Bra – lace, wireless

    103,53 zł

    3 rozmiary

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

    Sielei

    Bra 2506 Flower Sielei black – spacer with a seamless band

    Bra 2506 Flower Sielei black – spacer with a seamless band

    98,36 zł

    10 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

    114,13 zł

    8 rozmiarów

  • Sports bra beige Sielei 1808 with pre-formed cups

    Sielei

    Sports bra beige Sielei 1808 with pre-formed cups

    Sports bra beige Sielei 1808 with pre-formed cups

    105,94 zł

    5 rozmiarów

Which style to choose

Alongside elastane and cotton, the compositions often include modal: a cellulose fibre smoother than cotton that does not pill after washing and feels cool against the skin. It is a comfortable choice for all-day wear and for skin that reacts to rougher fabrics.

Worth checking too

Soft bras work well for everyday wear, for travelling and for sleeping. If you want a smooth line under a thin blouse, reach instead for a padded model - a soft cup does not conceal the nipples.

Delivery and returns

Many models belong to ranges with a matching bottom, so a set is easy to put together. Choose your size by your underbust measurement and cup letter; if your size is unavailable, check the sister sizes. Wash in a bag at 30 degrees. Free delivery from PLN 199, 14-day returns.

What to look out for

If you want a set, check the range name in the product title - the bottom in the same pattern is usually listed under the same name.

In terms of construction, the selection splits roughly into three parts. Models with an underwire and a moulded cup give a smooth line under thin clothing. A dozen or so items are wire-free constructions with a soft cup and a wider band, more comfortable across a whole day. The rest are intermediate versions, with light reinforcement in the lower part of the cup. Polyamide with elastane dominates the fabrics, along with lace stitched into the upper cup panel.

This collection brings one brand's bras together in one place, in bands from 70 to 105 and cups from B to E. More than half the models have matching briefs from the same range, which lets you build a set without hunting blindly for pieces across different collections.

When choosing a size, do not carry a number over from another brand without checking. Every manufacturer distributes volume differently between cup depth and cup width, and the biggest differences show up precisely around the underwire under the arm. Measure your underbust on the out-breath and your bust at its widest point, then compare the result with the chart for the specific model.

If you are also looking for knickers, vest tops and the brand's other categories, you will find them in the Sielei collection. We have gathered ready-made sets in lingerie sets, and our size guide will help you turn measurements into sizes.

Frequently asked questions

Which sizes does this collection cover?

Bands from 70 to 105 and cups from B to E.

Are there matching briefs for these bras?

More than half the models have briefs from the same range, in the same pattern.

Are there wire-free models here?

Yes, a dozen or so items are soft constructions without an underwire, with a wider band.

Can I take the size I know from another brand?

It is better to measure yourself. Manufacturers differ in how they distribute cup volume, especially around the underarm.