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Trouser suits are huge for AW25 - these are the 14 suits to wear for ANY occasion


A guide to the best suits for women for autumn/winter. Shop our edit of the most stylish blazer and trouser co-ords around right now


best suits for women in autumn 2025© Supplied

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Leanne Bayley
Leanne BayleyDirector of Lifestyle & Commerce
Updated: September 19, 2025
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Shopping for a new pant suit isn't always easy but I'm hoping this edit will get you excited to try something new. 

If you're not a dress girly or find jumpsuits a little restrictive, a trouser suit is your new BFF. Trust me, I'm obsessed with them and they're honestly the best outfit to wear, whatever the invite says. I've been loving trouser suits for years and know a thing or two about what makes a good one, and I've searched the web for the best trouser suits for women. Think impeccable tailoring, minimalist neutral suits and even some with waistcoats.

Trouser suits are my fallback outfit for any occasion, from hen party weekends to the office to posh meals out with my family. It's a one and done type outfit in my opinion, guaranteed to make you feel polished yet comfortable and suitably dressed, whatever the dress code.

I'm going to confess something - I'm addicted to two-piece trouser suits. Honestly, it's bordering on ridiculous. I've loved trouser suits for years, and wear one for nearly every important social occasion in my calendar. I'm even wearing one in my HELLO! profile picture. I don't know what it is, but when I wear a suit I just feel like I have my life together. I feel like a confident girl boss. I feel like I can do anything. I also love that I don't have to think too much about an outfit as a whole, and you can mix and match the separates.

If you have an event coming up this autumn, be it a christening or a wedding, now's the time to start thinking about the special events you have in your diary. Trust me - a suit will work for everything. Whether you're after a corporate suit, a white suit or a timeless suit, check out the list below. And we're loving all the three-piece suits that are everywhere right now, so we've included links to the matching waistcoats as well, just in case you want to go full on with the look.

How I chose the best trouser suits 

  • Popular brands: I shop at all of the brands within this list, if I'm choosing my favourite suits it's best that I pick brands I shop and love.
  • Inclusive sizing: Where possible, the suits in this list are for all shapes and sizes.
  • Versatility: The best thing about a suit? The way you can wear the jacket and trousers separately and you've got more looks for the price of one.

It's not just me who loves a power suit. Celebrities and influencers, and royals love to dress in a two-piece. Whether it's Joey King wearing a green Bella Freud suit, or supermodel Naomi Campbell in fuchsia pink, Katie Holmes in white with a colour pop shoe, or the Princess of Wales in purple - a smart trouser suit makes for a great outfit choice.  

Kate Middleton wearing trouser suits
Princess Kate is fond of a trouser suit

How to style a trouser suit

You have three ways you can wear a suit. Casual for daytime (see Hailey Bieber for inspiration - or look to Trinny Woodall on Instagram), smart and elegant like Victoria Beckham, or as evening formalwear à la Margot Robbie. As a side note: My obsession with suits wouldn't be a thing if I had to wear them for work - I can totally understand if you want to opt out of this trend because you feel like it's 'boring workwear'. However, you could try a more relaxed approach to a trouser suit, or choose a colour you wouldn't dare wear in the boardroom. 

I personally think trouser suits look great with T-shirts and white fashion trainers, I also love them glammed up with sexy stilettos and a chic clutch bag. I would steer clear of cross-body bags, as the chain or strap across the body might ruin the shape of the jacket. Jewellery-wise, it's totally up to you. I love a pair of statement earrings with mine if I'm wearing for an evening, but if it's daytime, I usually stick to gold chunky hoop earrings.  

My suit muses from left to right: Victoria Beckham, Margot Robbie, Jessica Chastain, Hailey Bieber© Getty Images
My suit muses from left to right: Victoria Beckham, Margot Robbie, Jessica Chastain, Hailey Bieber

Can you wear a trouser suit to a wedding?

Definitely. If you're wearing a trouser suit to a wedding, obviously don't opt for white (unless you're the bride!) and go for bright or jewel-toned colours instead. Or even a printed suit for extra impact.

Olivia Palermo in a colourful suit and corsage choker© Getty Images
Olivia Palermo in a colourful suit and corsage choker

How to dress down a trouser suit for daytime

If you want to dress down a trouser suit, it's easy! Team with a a pair of white fashion trainers or a pair of strappy sandals for a formal event. Trinny Woodall is the queen of power dressing in sneaks. 

Celebrities wearing white suits - and not to a wedding! From left to right: Cindy Crawford, Trinny Woodall, Sydney Sweeney, Meghan Markle© Getty Images
Celebrities wearing white suits - and not to a wedding! From left to right: Cindy Crawford, Trinny Woodall, Sydney Sweeney, Meghan Markle

What shoes to wear with a trouser suit? 

For a special occasion, I like teaming a trouser suit with a sexy stiletto or a strappy sandal or a mid-heel sandal (comfort is key!). A seamstress once told me that if you're wearing wide-leg trousers, the hem should fall halfway down the heel. Also, don't underestimate the fashion trainer - I love wearing my suits in the day or out to dinner with a pair of Veja trainers and a simple white tee. Flat shoes can be tricky, but ideally you would see some skin - you don't want to look like the trousers are wearing you.

Scroll down for the best favourite affordable trouser suits you can buy right now... 

Best trouser suits for women in 2025

1/14

Karen Millen Black Pinstripe Suit

Karen Millen Black Pinstripe Suit© Karen Millen

Sizing Details

The trousers are available in sizes 6 - 16, and have only one option when it comes to leg length. The blazer is available 6 - 16. 

Colours available: Cream

Shipping: £4.99

Returns: £2 and you have 28 days. Returns are FREE for Karen Millen PREMIER customers

Perfect for anyone looking for a seriously smart suit. The suit consists of a smart trouser and sophisticated blazer and both would be an elegant staple in any wardrobe.

If you're based in the US, shop Karen Millen US.

2/14

Boden Stamford Cord Suit In Burgundy

Boden Stamford Cord Suit In Burgundy© Boden

Sizing Details

Both the blazer and the trousers are available in sizes 4-22, and there's a handy size guide section on the Boden website to double check the fit.

Colours available: Multiple colours

Shipping: Free for orders over £150

Returns: Free within 28 days

Boden's Stamford suit is a favourite with loyal fans of the brand. Cut from cord, the semi-fitted suit looks smart without feeling restrictive. 

If you're based in the US, shop Boden US

3/14

LK Bennett 'Audrey Spring' Navy Peplum Suit

LK Bennett 'Audrey Spring' Navy Peplum Suit© LK Bennett

Sizing Details

LK Bennett is a trustworthy brand and the reviews often state that the products are true to size. The trousers are available in regular length and petite. The trousers come in sizes 6-20. 

Colours available: Navy

Shipping: £3.99 Standard Delivery or free for orders over £300

Returns: Free within 28 days

In case you missed the news, LK Bennett has launched the most chic new monogram that's designed to honour 35 years of heritage and style. I love how it features on this suit and I also love that you can buy this suit in petite and there's even a skirt option as well. 

If you're based in the US, shop LK Bennett US

4/14

River Island Red Pinstripe Shorts Suit

River Island Red Pinstripe Shorts Suit© River Island

Sizing Details

Sizing Details

The jacket is coming soon.

Colours available: Red

Shipping: £4 Standard Delivery or free for orders over £50

Returns: Free within 28 days

This Olivia Atwood River Island collection features this red wine coloured two-piece short suit and it's seriously chic. I don't think this will stay around for long - it's just gorgeous. 

If you're based in the US, shop River Island US.  

5/14

NEXT x Friends Like These x Lucy Mecklenburgh Burgundy Suit

NEXT x Friends Like These x Lucy Mecklenburgh Burgundy Suit© Friends Like These

Sizing Details

The blazer is available in sizes 8 - 20. The trousers are categorised from 8 - 22. NEXT often has two different leg lengths to choose from but this is brand that's stocked on NEXT so that's not the case.

Colours available: Burgundy, Black

Shipping: £3.95 Standard Delivery or free for NEXT customers.

Returns: Free within 30 days

You can not go wrong with a burgundy suit this fall and this one will look incredible for a christening or a special occasion. And both the trousers and the blazer can be worn as separates with ease.

If you're based in the US, you can shop NEXT USA

6/14

Nadine Merabi 'Nicola' Suit In White

Nadine Merabi 'Nicola' Suit In White© Nadine Merabi

Sizing Details

The items are available in sizes XS (6) up to an XXL (18). The trousers come in just one leg length. If they are too long, you'll need to visit a tailor. 

Colours available: White

Shipping: £3.95 Standard Delivery or free for orders over £350

Returns: Free within 14 days

This suit is perfect for anyone who is getting married this winter (or in 2026) and is looking for the perfect bridal suit. Or, if you have a special occasion in your diary, this could be the one.

If you're based in the US, shop Nadine Merabi US

7/14

ME+EM Evening Red Pant Suit

ME+EM Evening Red Pant Suit© ME+EM

Sizing Details

The blazer is available in sizes 4 - 18 and the website recommends taking your usual size as it's a slim fit design. The trousers also come in sizes 4 -18. 

Colours available: Scarlett red

Shipping: £4.95 Standard Delivery

Returns: Free within 28 days

I'm calling it - this is a 'forever suit' and for very good reason. Team with bedazzled accessories to go with the evening vibe of the suit. A winner for party season 2025.

If you're based in the US, shop ME+EM US.

8/14

H&M Dark Brown Suit

H&M Dark Brown Suit© H&M

Sizing Details

The blazer is available in sizes XXS-XXL, and there's a handy size guide section on the H&M website to double check the fit. 

Colours available: Dark brown

Shipping: Free for members

Returns: Free within 28 days

This is a showstopper of a suit and would look gorgeous for a special occasion whether it's a hot date or a birthday bash. 

If you're in the US, shop H&M.

9/14

Phase Eight 'Ivy' Brown Satin Suit

Phase Eight 'Ivy' Brown Satin Suit© Phase Eight

Sizing Details

Both the jacket and the cigarette trousers are available in sizes 6 - 18. 

Colours available: Brown

Shipping: £2.95 Standard Delivery or free for orders over £150

Returns: Free within 28 days

If you're looking to go for an elegant look for a wedding, or you just want a quirky suit, this gorgeous chocolate brown suit will be a real statement look. 

If you're based in the US, shop on Phase Eight US

10/14

Hobbs 'Highclere' Wool Suit In Black

Hobbs 'Highclere' Wool Suit In Black© Hobbs

Sizing Details

Both the blazer and the trousers are available in sizes 6-18, and there's a handy size guide section on the Hobbs' website to double check the fit.

Colours available: Black

Shipping: £3.95 Standard Delivery or free for orders over £150

Returns: Free within 28 days

A sartorial, stylish, streamlined black suit for the win. Tailored in a wide leg cut with utility-inspired gold buttons, the Highclere two-piece exudes confidence.

If you're based in the US, shop Hobbs US.

11/14

French Connection Chester Check Wide Leg Suit

French Connection Chester Check Wide Leg Suit© French Connection

Sizing Details

French Connection has a helpful size guide on every page. The blazer and the trousers go up to a size 18. 

Colours available: Brown check

Shipping: Free for orders over £75

Returns: Free within 30 days

How chic is this brown check combo? It comes in a classic check print, and the tailored fit will ensure you look elegant whatever the occasion might be.

12/14

Mango Flared Trouser Suit

Mango ecru suit© Mango

Sizing Details

Mango doesn't do different leg lengths so be prepared to visit a tailer if you're on the petite side. The trousers go up to a size 18, and the jacket goes up to a size XXL as well.

Colours available: Ecru, Black

Shipping: £3.99 Standard Delivery or free for orders over £30

Returns: Free within 28 days

This cool-girl ecru suit is guaranteed to fly off the virtual rails. As you can see on the model, this suit is supposed to be slim fitting and this jacket will look amazing with your jeans as well.

If you're based in the US, shop Mango.

13/14

M&S Wool Blend Neutral Trouser Suit

M&S Wool Blend Neutral Trouser Suit

Sizing Details:

The trousers come in sizes 6-24 and you've got the option of only one leg length. The jacket goes up to a size 24. 

Colours available: Neutral

Shipping: £3.99 Standard Delivery or free for orders over £60

Returns: Free within 35 days

The new season M&S suit is new in for autumn and I predict this will be a huge sell-out. Guaranteed, this won't stick around for long.

If you're based in the US, shop M&S US

14/14

New Look Burgundy Suit

New Look Burgundy Suit© New Look

Sizing Details

Both the blazer and the trousers are available in sizes 6 - 18. You only have the one option when it comes to the leg length of the trousers. 

Colours available: Burgundy, Green

Shipping: Free with Click + Collect

Returns: Free within 30 days in-store

If you're looking to go for an on-trend look, this New Look co-ord will be spot on. The perfect blend of classic tailoring and contemporary design. it will work perfectly for your get-togethers in 2025.

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