Jess Cartner-Morley on fashion: don’t want to get your Big Winter Coat out just yet? Try ‘onion dressing’

<p>It’s time to learn the art of layering – and we’re talking a crew neck with a ballet wrap and blazer, not full-on outdoor explorer</p><p>Is layering an art? Probably not in the traditional sense. We are not talking the <a href="https://www.theguardian.com/artanddesign/2026/se