Chic Women Everywhere Are Wearing *This* Elegant Knitwear Trend For Autumn

Frog-fastening cardigans are the chicest knitwear choice this season. Shop the best styles, according to a fashion editor, below.

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models wear the best frog-fastening cardigans for autumn
(Image credit: H&M, Zara, Mango)
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Consider this your sign to give your knitwear a little more thought this season. The humble cardigan is getting a quietly elegant update for autumn 2026, thanks to one particularly pretty detail: the frog fastening. First spotted bubbling up on jackets last winter, and then on linen blouses throughout summer, these ornamental knot-and-loop fastenings have now made their way onto knitwear—and they’re giving even the simplest autumn outfits a decidedly more polished feel.

model wears Zara's frog-fastening cardigan

(Image credit: Zara)

Zara's affordable frog-fastening cardigan, shown here, is already selling out.

Zara’s popular frog-fastening cardigan is proving the high-street appeal of the trend, while a number of retailers, from affordable favourites to luxury labels, are following suit with their own takes. And I can see why. A frog fastening has a clever way of making a basic cardigan feel more considered and intentionally styled, adding elegance without requiring any extra effort (or sacrificing the cosy factor we expect from our autumn knits). It's unsurprising that I've already started seeing chic fashion people wearing these frog-fastening cardigans throughout fashion month.

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Debora wears a grey frog-fasting knit cardigan jacket with grey trousers

(Image credit: @deborarosa)

Influencer Debora Rosa shows us all how chic the frog-fastening trend is for autumn.

It’s the combination of polish and comfort that makes the trend particularly appealing for the season ahead. Wear one with your favourite jeans for an easy everyday look, or layer it over a dress when you want something a little more refined. Either way, frog-fastening knitwear is shaping up to be the chicest way to cosy up this autumn. I've scoured the internet to find the best styles on offer right now—keep scrolling to shop them and get ahead of the trend.

Shop the Best Frog-Fastening Cardigans

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Emily Dawes
Emily Dawes
Senior Shopping Editor

Emily Dawes is an editor, stylist and writer with over 12 years in the industry. Known for impeccable taste, our readers trust her advice, especially in her column, expensive-looking high street buys. Working for Who What Wear UK since 2020, Emily has been a contributing editor, branded content editor and affiliate editor. Now, as senior shopping editor, she leads the e-commerce content strategy. After obtaining a BA in English and American Studies from Nottingham University, Emily landed at The Mail on Sunday’s YOU. As the magazine’s fashion editor, she travelled the globe to style and direct fashion editorials and celebrity cover shoots. As a freelancer, she has styled Grazia cover shoots, developed brand marketing and content plans and worked with VIP clients including Elizabeth Day.