Sienna Miller was recently spotted wearing the coveted Sezane Clyde trench coat in a khaki colourway while filming in London ...

Here’s how we test products and why you should trust us. The trench coat is built for the battlefield. Seriously—it’s an invention of the First World War, part of an officer’s uniform.

Sienna Miller's first Sézane trench coat has the exact same single-breasted cut, plaid lining, and neat row of tortoiseshell buttons as her second. She styles it the same way as her new version, too, ...

The trench coat is kind of like retinol: a little goes a long way. The comparison might feel tenuous, but as a guy who loves the former and swears by the latter, the analogy rings true.