The most common synthetic fibre: strong, crease-free and quick to dry, but it does not breathe. Here is honestly when polyester makes sense and when a natural fabric is better.

Polyester is made of polyethylene terephthalate, the same plastic bottles are made of. The melt is drawn into fine threads, which are woven or knitted into fabric.
On a label it is marked PES or PL. Very fine polyester is called microfibre: faux suede, for example, is made of it.
Pros: strong, nearly crease-free, does not shrink, dries fast, keeps bright colours and costs little.
Cons: it does not breathe and absorbs little moisture, so it can feel hot. It builds static, holds on to smells and melts under a hot iron.
Polyester is most often added to wool or cotton. The wool or cotton brings warmth, softness and breathability, the polyester strength and fewer creases. For an everyday suit or trousers it is a good compromise.
Such pieces in our shop are called «Wool blend» and «Cotton blend». How to tell the content yourself is in «How to tell wool from synthetics».
Wash at 30 to 40 °C and dry on a hanger: polyester hardly creases and dries quickly. Fabric softener helps against static.
Iron at a low setting, ideally through a cloth: a hot iron melts polyester and makes it shine. Pure polyester usually needs no decatising, as it hardly shrinks.
Facts checked against these pages. The text is our own.
Updated 19 October 2026
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