Alongside all the bike shorts, crop tops, thigh-slit slip dresses and other garments that leave little to the imagination, there was one trend that stood out on the autumn/winter 2019 catwalks because it was so surprisingly sensible: cardigans.

That’s right, the knitted button-downs traditionally beloved by grannies, grandpas and librarians are back, and this time they’ve got the designer seal of approval.