At first glance, this sleek sweater from Stella McCartney may seem like an understated staple to add to your everyday collection, but on second inspection the split hems and carefully considered rib-knit detailing gives it a fashion-forward twist. Offering a contemporary shape and must-have appeal, you'll be left wondering what you did before this piece made it to your wardrobe.How to wear Harrods: Style with flared trousers, barely-there heels and a shoulder bag.