Sielei — Underwear and Apparel

Sielei knickers: modal, cotton and lace

Knickers are the largest group in the Sielei range – over 100 products. The Today series is made of soft modal: 6005 are classic briefs, 6007 Brazilian briefs and 6009 high-waisted briefs. Io Sono Io are seamless cotton knickers, including styles with a lace back and packs of 3 or 4. The Cotton line covers cotton briefs and Brazilians, and style 1449 is made of organic cotton. For special occasions there are the lace Wonder Lace, Pure Love, Allure and Glam styles, plus leopard-print Amelie Brazilians and culottes.

Similar styles from other brands are in cotton knickers, Brazilian briefs and lace knickers. Our guide cotton, microfibre, modal or bamboo explains how modal differs from cotton and microfibre.

Sielei bras: push-up, bandeau and wire-free

Sielei offers dozens of bra styles. The push-ups include 2504 with gel padding and Fantastic 1368 and 1590 – the latter with interchangeable straps. For strapless dresses there are the Fantastic 1570 bandeau with a silicone back, 1580 in microfibre and Plus 2550. Wire-free options include Cotton 1452 in organic cotton, Plus 2546 and the soft lace Wonder Lace 2442. There are also front-fastening bras (1806 and 20), the sports bras 1808 and Cotton 1454, and the 146 nursing bra with drop-down cups.

All styles from this brand are collected in Sielei bras, and you can compare other brands in push-up bras and wire-free bras. Our guide how to find your bra size shows how to measure band and cup, and nursing bras are covered in underwear after pregnancy and for nursing.

Tops, bodysuits and leggings

In the modal Today series Sielei makes thin- and wide-strap tops, V-neck T-shirts, sleeveless and long-sleeved turtlenecks, boat-neck tops and a mock-neck bodysuit. Camisoles 1430, 1432 and 1438 are made of organic cotton, and 1436 has a lace neckline with a bow. The Every 1852 microfibre bodysuit is seamless and shaping, while Pure Love 1978 is made of lace. For everyday wear and exercise there are leggings: classic cotton GS06, capri GS07, high-waisted sports LG13 and Animal LG15.

More styles are in tops and vests, bodysuits and corsets and leggings. What shapewear really does for your figure is explained in our guide shapewear – what it really does.

Pyjamas, lounge trousers and swimwear

Most Sielei pyjamas are cotton – short and long styles from the Daisy, Cherry, Picnic, Weekend and Lover series – while Alba is a long viscose pyjama set. For home there are also wide viscose trousers: GS03 palazzos, GS12 and GS13 flares, GS16 with pockets and floral GS19. Since 2005 the brand has also made swimwear: the range includes Double Vibes bikinis, mix-and-match tops and bottoms from the SP series, and the one-piece DV41, DV48 and reversible SS48.

Sielei clothing comes in sizes XS to 3XL, and bras in bands from 70 to 105 with cups from B to E; most styles are available in 75–85 with a B or C cup. Our guide which pyjama fabric to choose helps you pick a fabric, and all styles are collected in women's pyjamas.

We usually ship within 1–2 business days, to an InPost parcel locker for PLN 12.99 or by courier for PLN 16.99, and delivery is free from PLN 199. You have 14 days to return an item.