Smart co-ordinating separates are a clever purchase whatever the season, providing both a ready-made outfit and pieces that can be mixed and matched with the rest of your wardrobe. As the temperature drops, knitwear dressing is both practical and polished, so what better autumn buy than a co-ord in luxe cashmere or wool? Worn matchy-matchy, then reimagined with tees and jeans, we’ll be wearing these versatile sets until spring.