After days of warm but rainy weather it’s finally starting to feel more like autumn in the UK and that means layering is back in a big way. There are so many coat trends for 2025 that have caught my eye already, but if you want an timeless and lighter option then it doesn’t come much more classic than the Princess of Wales’s go-to blazers.

Whilst we can still get away with jackets instead of coats, a tailored blazer brings sophistication to an outfit. The future Queen owns plenty of them and so far this season we’ve seen her go for several tweed or checked designs to complete her looks.

This includes her outfit for her visit to Sudbury Silk Mills on 11th September where Kate stepped out in a suit made from black and white Prince of Wales checked fabric.

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Catherine, Princess of Wales tucks her hair behind her ear as she visits Sudbury Silk Mills on September 11, 2025

(Image credit: Photo by Samir Hussein/WireImage via Getty)

Shop Checked Blazers

Mango Micro-Houndstooth Double-Breasted Blazer

Mango Micro-Houndstooth Double-Breasted Blazer

With a mix of seasonal burgundy, camel and brown in this print, this affordable micro-houndstooth blazer is incredibly autumnal. It has a V-neckline with a smart lapel collar, long sleeves with buttoned cuffs and two front welt pockets.

H&M Double-Breasted Grey Checked Blazer

H&M Double-Breasted Grey Checked Blazer

Priced at under £40, this double-breasted blazer has a slightly more longline silhouette with notched lapels, buttons at the front and shoulder pads for extra structure. There are jetted front pockets with flaps and this jacket is also lined.

Whistles Grey Herringbone Wool-Blend Blazer

Whistles Grey Herringbone Wool-Blend Blazer

Also available in petite and currently 20% off in the sale, this wool-blend herringbone blazer is a neutral grey tone that would work with pretty much any other colour. There is a chest pocket and it fastens with a single button at the front.

Infinity Leather Checked Blazer and Waistcoat Set

Infinity Leather Checked Blazer and Waistcoat Set

Currently reduced in the sale, with this you get both the blazer and the matching waistcoat – though of course you don’t have to wear them together if you’d prefer styling them separately. Both are a gorgeous olive green with a herringbone pattern.

& Other Stories Tailored Wool-Blend Blazer

& Other Stories Tailored Wool-Blend Blazer

Crafted from a cosy wool-blend and cut in a straight silhouette, this houndstooth blazer is a great option if you don’t already have a blazer like Kate’s in your collection and want to invest a little more in one. It has notched lapels, structured shoulder pads and is single-breasted.

Fairfax & Favor Eloise Almond Herringbone Jacket

Fairfax & Favor Eloise Almond Herringbone Jacket

Fairfax & Favor is a luxurious brand loved by members of the Royal Family and the Eloise jacket is a stunning example of their attention-to-detail. The herringbone blazer comes with a suede belt for an added chic touch and you can wear it without too. It’s made from wool-rich fabric with faux horn buttons and shoulder pads.

She layered the blazer over a plain black T-shirt and added some black court shoe heels to finish off her monochrome ensemble with a chic flourish. Of course, the Princess was undertaking an official engagement and she tends to lean towards smarter or at least smart casual outfits. A blazer naturally brings a more formal edge thanks to the crisp silhouette.

To make an outfit like this more everyday-appropriate you could swap out the suit trousers for blue or black denim jeans and add a pair of trainers or loafers. A checked blazer does all the talking and yet if you go for muted tones like Kate does, it becomes far less tricky to style one than you might imagine.

Many of us will already have a checked or tweed-esque blazer in our autumn capsule wardrobe and if you don’t, I’d recommend choosing a design which has neutral shades in the pattern to maximise its versatility.

The Princess of Wales visits the Natural History Museum on September 04, 2025

(Image credit: Photo by Neil Mockford/GC Images via Getty)

As well as this black and white jacket, the Princess of Wales has also opted for a khaki and brown one so far this autumn. She resumed royal engagements after the summer on 4th September and wore a Ralph Lauren herringbone wool blazer for her visit to the Natural History Museum to see the newly renovated gardens.

Like her Prince of Wales checked one, this blazer was single-breasted. It fell to hip-length and she wore it unbuttoned over a plain white shirt with black streamlined trousers and brown suede loafers.

Once again, she took the same styling approach of going for neutral pieces that allowed the checked blazer to shine and not overpower her look. If you’re struggling for autumn outfit ideas right now, her latest appearances couldn’t have come at a better time inspiration-wise.

The Princess of Wales holds a box as she returns from the island of Iona on a public ferry on April 30, 2025

(Image credit: Photo by Karwai Tang/WireImage via Getty)

Kate has shown that checked or tweed blazers are perfect for the season and can go with staples like T-shirts and shirts. Although it wasn’t autumn at the time, we saw her wear another very similar green tweed blazer earlier this year.

In April she and Prince William went to the Isles of Mull and Iona for two days and she wore another green Ralph Lauren herringbone blazer and a chocolate brown Holland Cooper herringbone blazer.

When the weather is cooler but not freezing as it often is in spring and autumn, these pieces really come into their own. As well as wearing them with jeans or trousers, you can also style them with seasonal dresses and knee high boots for a put-together evening look.

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Catherine, Princess of Wales