I'm A Fashion Editor & These Are My M&S Autumn 2023 Hits

last updated 22 September 2023

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When it comes to the classics, you can always rely on Marks & Spencer. Long my go-to for new season essentials, I couldn't wait to try on their new autumn collection, which includes a highly covetable capsule assembled by none other than Sienna Miller. Reader, they did not disappoint.

This season, the collection feels especially well curated, with effortless styles that you can mix-and-match into a full wardrobe of autumn looks for day and night, work and weekends. In fact, the latest drop from the stalwart of British style is brimming with so many good pieces, it's hard to pick out just a few favourites. Of course, at the top of my list are those that Sienna modelled in the Anything but Ordinary campaign, including cosy cable-knit jumpers, sleek tailoring and relaxed slip skirts. Any opportunity to emulate her style, I'm sold.

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As someone who leans towards a more minimalist aesthetic, M&S is one of my favourite high street spots for understated essentials, and I still think they have some of the best cashmere on the high street. From slouchy crewneck jumpers to supremely on trend loafers, there are plenty of timeless pieces that I know I'd turn to again and again. From the many treasures I tried on, these 24 are at the top of my M&S wish list.

1. JEANS + TROUSERS

M&S Collection

Lyocell™ Blend Mid Rise Wide Leg Jeans in Light Wash

I love the light wash of these jeans, and the wide leg silhouette is very on trend.

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Pinstripe Wide Leg Trousers With Wool

The soft texture of wool trousers always gets me. I'd pair these with a slouchy jumper and black loafers.

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Jersey Elasticated Waist Wide Leg Trousers

The most comfortable pair of tailored trousers you'll find.

2. SKIRTS + DRESSES

M&S Collection

Satin Midaxi Slip Skirt

Slip skirts paired with oversized knits are going to be a popular look this autumn, and this chocolate brown is perfect for the season.

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Cotton Blend Checked Midaxi Waisted Dress

This dress has a Scandi vibe that makes it look much more expensive than it is.

3. KNITS

M&S Collection

Cable Knit Crew Neck Jumper

This is such a timeless, versatile style, it's no surprise it's one of the pieces Sienna modelled.

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Pure Cashmere Crew Neck Jumper in Mole

No one on the high street does cashmere better than M&S, and this colour is at the top of my must-have list.

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Textured Funnel Neck Jumper

With its contrasting ribbed hem and neck, this slouchy jumper has just the right amount of polish.

4. SHIRTS

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Satin Collared Long Sleeve Shirt in Ivory

A tailored white shirt is essential for emulating understatedly chic French style.

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Satin Collared Shirt in Dark Magenta

I'm not usually a fan of bold colours, but the deep richness of this tone has convinced me to break out of my black-and-white rotation.

5. BLAZERS + VESTS

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Wool Blend Double Breasted Blazer

With the panelling detailing and dramatic lapels, this looks extremely sophisticated.

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Tweed Relaxed Checked Blazer

The tweed gives this blazer a vintage, British countryside charm.

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Relaxed Double Breasted Blazer in Black

The relaxed fit of this black blazer exudes Sienna-approved, laidback cool.

6. COATS + JACKETS

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Wool Rich Belted Wrap Coat With Cashmere

A camel wool coat will always be in style, and this has to be one of the best priced options on the high street.

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Faux Leather Girlfriend Biker Jacket

A leather biker jacket is a wardrobe staple, and this one has such a great silhouette.

7. SHOES

M&S Collection

Leather Chelsea Flat Knee High Boots in Black

This season, tall boots will be everywhere, and this equestrian-inspired style have a timelessness that means you'll keep turning to them over the years.

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Leather Flat Square Toe Loafers

Loafers are the shoe of the season, and these square toe versions have a really contemporary feel.

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Leather Cow Boy Block Heel Pointed Boots

I can't resist a little Western edge.

8. ACCESSORIES

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Faux Leather Shoulder Bag in Black

Buttery soft, a super simple silhouette—this is a minimalist's dream.

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Brushed Fringed Scarf

This is a brilliant alternative to the Acne Studio scarf, and will brighten up your outerwear even on the gloomiest day.

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Faux Leather Cross Body Bag in Black

The gold hardware makes this look extra polished.

Up Next: The 9 Most Expensive-Looking Pieces on the High Street This Week

This post was previously published and has since been updated.

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Jess Kelham-Hohler is a freelance writer, editor and content strategist. She has been a contributor for Who What Wear UK since 2023. Currently based in London following six years in Washington D.C. and New York, she was previously the Digital Editor for Soho House & Co, an international group of private members’ clubs for creatives. She has interviewed a range of artists, creators and more, including Alighieri founder Rosh Mahtani, photographer Misan Harriman and fashion editor Lindsay Peoples Wagner. Today, she writes primarily about fashion, travel and culture for various publications, and has worked as a copywriter and content strategist for brands such as Belstaff, Olivela and Equinox.