Everybody needs a cosy cardigan to get into in the winter, and the more classic, the better, so you can mix and match with various looks. This wool-blend cardigan from Polo Ralph Lauren fits firmly in the “classic staples” category, with neutral colouring and tortoiseshell buttons. The patch pockets add a sense of gravitas to the piece, resulting in a refined winter essential.How to wear Harrods: Style with a T-shirt, skirt, mules and a pouch bag.