September 4, 2026•8 min read•from Latest from Who What Wear

If You Know, You Know: The One Fashion Category Katie, RHW, and Demi All Swear By

Our take

The discerning eye recognizes it immediately: a quietly impactful fashion category championed by style authorities Katie Grand, Rosie Huntington-Whiteley, and Demi Moore. If You Know, You Know—and you understand its power to elevate any cool-weather ensemble. It’s a foundational piece, a subtle statement of refined taste. These icons consistently choose this category for its versatility and enduring appeal. For a deeper dive into elevated footwear choices, explore "Hold the Trainers—This Smart Flat Shoe Elevates Any Airport Outfit." Prepare to invest in timelessness.

If You Know, You Know: The One Fashion Category Katie, RHW, and Demi All Swear By

The convergence of celebrity style, particularly when observed across seemingly disparate aesthetics, is a reliable indicator of a burgeoning trend. The recent spotlight on a specific fashion category embraced by Katie Holmes, Rosie Huntington-Whiteley, and Demi Moore—a phenomenon noted by *Who What Wear*—signals more than just fleeting celebrity endorsement; it reflects a shift towards understated elegance and enduring practicality. It’s a quiet revolution, moving away from overtly statement pieces and embracing foundational items that elevate everyday wardrobes. This resonates deeply with the Lissy Roddy ethos of timeless style and curated choices, prioritizing quality and intention over fleeting trends. The appeal lies in the versatility and enduring nature of the category itself, proving that sophisticated dressing needn’t be complicated or extravagant. We’ve long championed the power of a well-chosen flat – see our piece on [Hold the Trainers—This Smart Flat Shoe Elevates Any Airport Outfit] – and this trend further solidifies that understanding: the key to effortless style often resides in the considered selection of essential pieces.

The significance of this collective endorsement extends beyond mere popularity. It speaks to a broader cultural desire for a return to classic silhouettes and refined simplicity. The current climate, characterized by a desire for mindful consumption and a rejection of fast fashion, favors pieces that offer longevity and adaptability. A well-made, versatile item, repeated and styled in various ways, inherently embodies this ethos. Furthermore, the inclusion of figures like Demi Moore, a style icon known for her understated and sophisticated approach, lends significant weight to the trend. Her adoption of this category reinforces the notion that it's not about chasing the latest micro-trend, but about investing in pieces that reflect a confident and enduring personal style. It’s a testament to the power of quiet luxury, a concept we’ve explored extensively, and a direct response to the maximalism that dominated previous seasons. Finding high-street alternatives to iconic pieces, like those featured in [The BEST High Street alternatives to “the” SAINT LAURENT Jacket 2026] highlights the accessibility of this elevated aesthetic.

The underlying message is clear: discerning consumers are prioritizing quality and versatility over fleeting trends. They understand that a curated wardrobe, built around foundational pieces, offers a more sustainable and ultimately more stylish approach to dressing. This isn’t about abandoning self-expression; rather, it's about refining it. It's about choosing pieces that enhance, rather than overwhelm, a personal style. The replication of this trend across different celebrity styles—from Holmes’s casual-chic aesthetic to Huntington-Whiteley’s polished sophistication—demonstrates its universal appeal and adaptability. It’s a style that transcends age, body type, and personal preference, making it accessible and desirable to a wide range of consumers. Even collaborations with retailers like Lefties, as seen in [ad An evening with @lefties to celebrate their arrival into the UK! #LEFTIES #leftieseverywhereforeveryone #HELLOLEFTIES…], suggest a wider democratization of this refined aesthetic.

Looking ahead, the continued embrace of this category suggests a sustained shift away from disposable fashion and towards a more considered and intentional approach to personal style. The question becomes: how will designers and brands respond to this evolving consumer demand? Will we see a greater emphasis on timeless design, quality materials, and versatile silhouettes? Or will the pressure to constantly innovate lead to a dilution of the core principles that underpin this trend? It’s a space to watch closely, as the choices made by brands in the coming seasons will ultimately determine whether this is a fleeting moment or a fundamental shift in the landscape of modern fashion.

It's not that often that you notice celebrities with entirely different styles wearing the same fashion items. But when you do, you take a mental note, write it down in your notepad, and share it with all your fashion friends who actually want to listen. That said, there's one specific category that the likes of Katie Holmes, Rosie Huntington-Whiteley, Demi Moore, and Selena Gomez can agree on: Falconeri's knitwear.

Whether they're strolling the streets of NYC, skiing in Aspen, or attending a dinner party in L.A., the chicest A-listers can be found wearing Falconeri sweaters. And it's easy to see why. The brand's popular ultrafine cashmere is designed to work across seasons and settings, thanks to a delicate undercoat of Kashmir goat that creates an exceptionally thin, soft, lightweight, and thermoregulating knit.

Falconeri has found a white space in the cashmere market, championing a more effortless approach to luxury knitwear while rewriting the narrative about cashmere as a "winter-only fabric." I had the opportunity to visit Falconeri's facilities in Italy in July and see firsthand how its celebrity-loved ultrafine cashmere sweaters are made from start to finish. It was an eye-opening experience that gave me a new appreciation for the craftsmanship and care that goes into each piece. From the fibers themselves to the finished sweater, there's an incredible amount of work—60 minutes per sweater to be precise—behind what can look like such a simple wardrobe staple.

If you're curious about what goes into making these cashmere pieces and how Falconeri has built its reputation as an Italian textile expert, keep scrolling. Plus, ahead, see how fashion insiders are styling Falconeri's collection and shop the best-selling and new pieces for yourself.

Falconeri's Craftmanship

It all starts in Mongolia, where Falconeri sources its cashmere from Hircus goats. The brand chooses only the finest fibers, known for their incredibly soft, lightweight feel. From there, the cashmere travels to Biella, Italy, a region with a long history of textile craftsmanship and one of the stops I made on my tour of Falconeri's facilities.

At the factory, the cashmere goes through a series of steps to create the quality, softness, and durability that Falconeri is known for. The fibers are cleaned, spun, dyed, and carefully blended to achieve the brand's signature colors and luxurious feel. Each batch is checked along the way to make sure it meets Falconeri's high standards.

Once the yarn is ready, it heads to Falconeri's favorite in Avio, where it's turned into the finished garments. In the large facility in the beautiful Dolomites, skilled artisans bring each piece to life, carefully constructing sweaters piece by piece, arm by arm, and paying close attention to every detail along the way. The garments are then finished and checked to make sure they feel as beautiful as they look. The result is crème de la crème knitwear, designed for fashion people who want quality and comfort without sacrificing style.