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Sienna Miller Masters Laid-Back Winter Style In An Oversized Teddy Coat

Here’s how to get her off-duty look for less.
Sienna Miller walking in New York City wearing a greige Smythe teddy coat. (Photo: Backgrid USA)

Sienna Miller’s latest look proves that it's possible to stay warm and stylish when the temperature drops. Last week, the actor bundled up against the New York City chill in a greige teddy coat by Canadian label Smythe, a brand that counts Kate Middleton and Meghan Markle amongst its fans. She dressed down the elegant topper with a slouchy Givenchy handbag, clear sunglasses, a dark crewneck sweater, light-wash denim and colourful sneakers, thus creating the ultimate casual outfit inspo for cold weather.

Sienna Miller Masters Laid-Back Winter Style In An Oversized Teddy Coat

Smythe’s take on the teddy coat—named after its soft faux-fur material— has wide lapels and an oversized silhouette that’s perfect for layering over chunky knits as the weather cools. To take this look well into winter, simply swap the sneakers for a warm, slip-proof pair of winter boots, et voilà!

Below, we’ve rounded up our favourite, affordable cold-weather items to inspire your weekend dressing all season long.

Mango

Pocketed Faux-Fur Coat, $230, mango.com.

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A model wearing a greige Mango teddy coat to illustrate an article about Sienna Miller's casual winter style.

Zara

Faux Grey Fur Coat, $139, zara.com.

A greige Zara teddy coat to illustrate an article about Sienna Miller's casual winter style.

Topshop

Kim Boucle Double-Breasted Coat, $160, thebay.com

A model wearing a white Topshop teddy coat to illustrate an article about Sienna Miller's casual winter style.

H&M

Double-Breasted Coat, $169, hm.com.

A model wearing a brown H&M teddy coat to illustrate an article about Sienna Miller's casual winter style.

Warby Parker

Haskell Clear Sunglasses, from $150, warbyparker.com.

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A model wearing clear Warby Parker sunglasses to illustrate an article about Sienna Miller's casual winter style.

Poppy & Peonies

Aubrey Satchel, $125, poppyandpeonies.com.

A black Poppy & Peonies handbag to illustrate an article about Sienna Miller's casual winter style.

Old Navy

Plus-Size Crew-Neck Sweater, $45, oldnavy.ca.

A plus-size model wearing a navy Old Navy sweater to illustrate an article about Sienna Miller's casual winter style.

Denim Forum

The Arlo Straight Jeans, $128, aritzia.com.

A model wearing a pair of jeans from Aritzia to illustrate an article about Sienna Miller's casual winter style.

Adidas

Falcon Shoes, $140, adidas.ca.

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A pair of Adidas Falcon sneakers to illustrate an article about Sienna Miller's casual winter style.

Hunter

Insulated Short Snow Boots, $170, hunterboots.com.

A pair of red Hunter winter boots to illustrate an article about Sienna Miller's casual winter style.

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Andréanne Dion is the senior editor, style and beauty at Chatelaine.

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The cover of Chatelaine magazine's spring 2025 issue, reading "weekend prep made easy"; "five delicious weeknight meals", "plus, why you'll never regret buying an air fryer"; "save money, stay stylish how to build a capsule wardrobe" and "home organization special" along with photos of burritos, chicken and rice and white bean soup, quick paella in a dutch oven, almost-instant Thai chicken curry and chicken broccoli casserole in an enamelled cast-iron skillet

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