Alexandra wears the bra STAY FRESH with cups made from the technical fabric Keep Fresh, a specially developed synthetic material that’s moisture wicking and breathable so doesn’t feel as warm as other fabrics.

The most suitable fabrics if it is hot and you sweat a lot, for example during exercise or the menopause, are those made from the synthetic fibre polyamide. Polyamide is the strongest of all raw textile fibres and is much more elastic than cotton and other natural fibres. Like cotton, polyamide is breathable and soft against the skin, but unlike cotton, it’s resistant to moisture and sebum, does not shrink, rarely wrinkles and keeps its colour.

WinCool and Keep Fresh, which we use on several of our bestsellers at Miss Mary, are two different material compositions that use polyamide fibres as a base. Keep Fresh, which we use in the sports bra Exhale and our bestseller Stay Fresh , amongst others, is breathable and feels like a second skin.

When developing the material WinCool from our Cool Sensation series , we mixed cooling minerals into the textile fibres before knitting the fabric itself. This results in a moisture-repellent and supple material that cools the skin by 1-2 degrees.

So no, not all synthetic fibres are hot and uncomfortable. There are many exceptions. Feel free to read our detailed product descriptions if you’re wondering if a particular garment is right for you. Learn more in our material guide for underwear.

Fact or Fiction: Depends on which synthetic fibres you use

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