From Bonnie Cashin’s iconic turnlocks to the runway resurgence of subverted closures, the fashion girlies have proven that the devil is in the details

If there’s one thing that rarely gets the credit it deserves in an outfit, it’s the <a href="https://www.lofficielusa.com/fashion/womens-white-button-down-shirt-outfit-ideas-summer-2025" target="_blank" rel="noopener">buttons</a> and zippers pulling everything together. Quietly doing the heavy lifting, they usually stay way below the radar as a purely boring necessity—lightyears away from ever having main character energy.&nbsp;But recently, the front row has collectively decided that normal closures are, frankly, a little too basic for these days. It’s no longer just about the silhouette or the fabric; now, it's about the real deal. And if your jacket doesn't close with a piece of structural <a href="https://www.lofficielusa.com/fashion-week/every-look-louis-vuitton-spring-summer-2023-runway-photos-pfw" target="_blank" rel="noopener">hardware</a>, are you even showing up in a fashion statement?
Once upon a time, there was this legendary '60s designer named Bonnie Cashin. She cast an eye on industrial utility and basically said, “Let’s make it fashion.” And just like that, she shook up the industry by introducing hardware into the luxury RTW landscape.
Obsessed with functional design, she debuted the brass turnlock, inspired by the fast-turning clips that secured the top of her convertible sports car—how iconic... Later on, that became the definitive signature of <a href="https://www.lofficielusa.com/fashion/unique-designer-handbags-chanel-louis-vuitton-coach" target="_blank" rel="noopener">Coach</a> bags, and that’s when it finally landed for the rest of us mortals. Not content to stop there, she went back for more and brought the rugged fireman clasp onto winter coats. Because if you weren’t going to remember her before, the fashion girlies certainly would every time they got to thank her for making it an easy job to fasten their coats with thick <a href="https://www.lofficielusa.com/fashion/gloves-trend-accessories-spring-summer-jewelry-bags-runway-inspiration-how-to-style-opera-gloves">gloves</a> on.

Designer Bonnie Cashin. Courtesy of Getty Images.

Designer Bonnie Cashin, 1974. Courtesy of Getty Images.

On this side of the time capsule, the front row has been witnessing an absolute obsession with closures. From frog hardware to braided knots, these structural fastenings have completely reimagined the modern wardrobe for the upcoming <a href="https://www.lofficielusa.com/fashion-week/chanel-haute-couture-fall-winter-2026-runway-photos-see-all-the-looks-review-celebrities-front-row" target="_blank" rel="noopener">winter</a>.&nbsp;And if you want to have fun while not freezing to death anytime soon, L’OFFICIEL is ready to clue you in: start looking for your own iconic off-beat clasp and make the sport of not dying of hypothermia look cool.
Instead of relying on hidden zippers, take a page out of the lookbooks from brands like Celine, Balenciaga, or Chanel, and let the spotlight fall onto the elegant loops that will be the next main attraction of your basic cardigan, jacket, or coat.
Designers made sure to add that whimsical, artisanal intimacy to the garments, and as fashion girlies, there’s really nothing left for us to do but fully support it.&nbsp;Whether you're leaning into the industrial weight of a vintage metal clasp or the poetic symmetry of a braided frog button, one thing is certain: this <a href="https://www.lofficielusa.com/fashion-week/dior-haute-couture-fall-winter-2026-runway-images-photos-sabrina-carpenter-sheer-dress" target="_blank" rel="noopener">season</a>, the magic is in the details people will be trying to analyze from across the room.

Isabel Marant Fall/Winter 2026. Courtesy of Isabel Marant.

MaxMara Resort 2027. Courtesy of MaxMara.

Issey Miyake Men's Spring/Summer 2027. Getty Images.

Lemaire Men's Spring/Summer 2027. Courtesy of Lemaire.

Chan Luu Spring/Summer 2026. Courtesy of Chan Luu.

This Season It's All About the Weird Clasp

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This Season It's All About the Weird Clasp

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