With comfort becoming just as important as style, items such as the Sierra trousers by Lisa Yang are exactly the sort of piece to have ready to go in your wardrobe. The cashmere construction makes them a super-soft design that you can move around in, while their wide-leg silhouette means that you can dress them up in an utterly elegant way.How to wear Harrods: Style with a sweater, sneakers and a tote bag.