Reader Q&A: our fashion editor Jess Cartner-Morley answers your questions – live

Jess Cartner-Morley has been the Guardian’s fashion editor since 2000.

She is online now answering your questions from tips for the well-dressed man to trouser fastenings Sign in or create your Guardian account to ask a question and join the discussion PetertheGray asks : Why are so many high end items made from synthetic fibres? And are synthetics always bad? Jess: The answer to the first part of your question is just, price.

As to the second part - as a rule of thumb, natural fibres are a sustainable choice.

Virgin polyester - which is made from oil, and doesn’t biodegrade - is to be avoided.

But there are also sustainable synthetic fibres.

Look out for Tencel, which is the most common brand name for a fabric called lyocell, which is made from wood pulp, and is biodegradable.

I commend both of you for having figured out what you like and what suits you.

That’s the hardest part.

My personal bugbear front-fastening trousers where the ‘hidden’ hook-and-eye fastening is too close to the edge of the fabric so the metal keeps showing.

Drives me insane.

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