Look the business: What not to wear

Christopher Kane's recent spring/summer show has inspired a clutch of high-street stores to stock tablecloths masquerading as fashion. In the changing room ask yourself this: are you a picnic? Instead, try a modern floral print Photograph: Jonathan Brady/EPA Photograph: Jonathan Brady/guardian.co.uk Cut-off denim shorts are a no-no, unless you're on an office away-day and there is a minibus or seaside town involved. Work denim should either be a smart dress, like this one from Gap (£45) … Photograph: PR Photograph: guardian.co.uk ... or this New Look shirt for men. It's for sale at £20 Photograph: PR Photograph: guardian.co.uk Don't take inspiration from Prada's spring/summer show. Your colleagues don't need to hear your outfit or be blinded by it, so avoid clothes that jangle or glitter Photograph: Prada press Photograph: guardian.co.uk Yes, you've read in Vogue that maxi lengths are back, but avoid the old-style versions. Anything tiered, printed or vaguely representing Sienna-era boho is out – instead aim for block colour, probably something dark or severe. Muji 's bubble skirt (£45) is worth a try Photograph: PR Photograph: guardian.co.uk If you've been marking yourself out as the office fashion know-it-all by wearing increasingly giant stilt shoes, it's time to shop. There's a new restrained mood brewing in fashion and statement shoes are no longer right for the office. Buy some nude stilettos or a pair of kitten heels. This pair from LK Bennett (£130) combines the two Photograph: PR Photograph: guardian.co.uk