Channel his take by teaming your G9 with a mid-gauge knit and chinos.

Available at Baracuta, priced £280.

MKI Unlined Coach Jacket

Heard of the coach jacket? If not, school yourself. Then pick up this style from Leeds brand MKI – its unlined nylon construction means it works as a top layer in summer, and can still be put to work under a heavy jacket later in the year.

Available at END Clothing, priced £45.