Couture

Fact: Off-Duty It Girls Always Reach For This Exact Knit, Jeans and Jacket Combo Every Autumn

Whilst out in New York City, Sienna Miller just mastered layering autumn basics in the jeans, jacket and knit outfit that makes off-duty looks more expensive.

Герои25 сентября 2026 г.

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An image of Sienna Miller wearing a white t-shirt, blue jeans, red shoes, beige jacket and navy knit whilst out in New York.
(Image credit: Backgrid UK)Backgrid UK
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The cardinal rules of autumn dressing can be viewed as a series of explicit directives: never underestimate the weather forecaster and never overthink what you wear. Follow these principles and you’ll never be underprepared or overdressed. Proving the soundness of this philosophy is none other than Sienna Miller.

Fresh off the press tour for her new legal drama series War, including several notable red carpets with her teenage mini-me Harlow and a sculptural Erdem dress that debuted days earlier during the brand’s London Fashion Week show, the star has made an inconspicuous appearance whilst out in New York City.

Eschewing her signature devotion to bohemian dressing, the actress took a more understated approach to the cooling temperature with a minimal yet sleek ensemble consisting of polished autumn basics. Factoring in a browning foliage-approved colour palette, a bustling city setting and on-the-go ease, Miller hit every mark of a covetable autumn outfit formula.

An image of Sienna Miller wearing a white t-shirt, blue jeans, red shoes, beige jacket and navy knit whilst out in New York.
(Image credit: Backgrid UK)Backgrid UK

Stripping things back to their bare necessities, she opted for some thoughtful layering elements to enhance an already reliable formula of jeans and a white T-shirt. A staple of tasteful dressers like Jane Birkin, Dakota Johnson and Alexa Chung, Miller brought some charming elements into the fold through the addition of a beige blouson jacket and a prep-inspired navy knit that she tied around her shoulders.

Still, given that this is the perennial muse for modern-day eclectic dressing we’re discussing, there was always bound to be one element that felt slightly at odds with her overall silhouette, creating visual tension that felt more intriguing than minimal. This came in the form of red T-bar sandals, which contrasted against her otherwise neutral and tonal palette.

Of course, shoes in this shape and colour have become somewhat of a fixture in the wardrobes of the most stylish Manhattanites, with brands like Khaite, Kallmeyer and Proenza Schouler featuring this trend on their recent runways. Could this be as close to method dressing as we’ll ever get from Sienna?

Elegant, understated and oh-so easy to copy, shop the exact jeans, knits, jumpers and shoes off-duty It girls always rely on for an excellent autumn outfit.

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