Amongst staggering aural and visual assault, perhaps one of the quietest aspects of Dunkirk (2017, directed by Christopher Nolan) are its costumes – and this is to its credit. Dunkirk is the type of film that requires you to engage quickly with everything you see on screen. Jeffrey Kurland’s costume design is masterful in this regard. A sea of subtly differentiated green and brown with the pop of naval uniforms and briefly glimpsed civilian wear. This is 1940 at its most spare and rudimentary. Here, Jeffrey Kurland chats exclusively to Clothes on Film about his process for creating the world of Dunkirk: SPOILERS THROUGHOUT Clothes on Film: How did you…