THE OPENING HOOK

Cashmere used to behave like a secret—reserved, precious, slightly untouchable. EXTREME CAshMERE treats it differently: like an everyday indulgence you reach for without thinking, the way you grab your best white T-shirt. The brand’s signature is not quiet luxury; it’s lived-in luxury—cashmere that’s washed, worn, layered, lounged in, then worn again. The pieces are famously numbered (not named), as if the design language is a private code for insiders. If you’ve ever wanted knitwear that feels like a hug but looks like a point of view, you’re in the right place.

BRAND STORY & HERITAGE

EXTREME CAshMERE was born in Amsterdam in the 2010s, founded by knitwear specialist and creative director Saskia Dijkstra with a disarmingly modern idea: cashmere should move at the speed of real life. Instead of seasonal “this year only” statements, the brand built a wardrobe of essentials—iconic shapes, perfected and revisited—identified by numbers (n°) that collectors recognize the way watch lovers recognize references.

The philosophy is simple and radical: one extraordinary yarn, engineered into pieces that feel relaxed yet considered. EXTREME CAshMERE is celebrated for its genderless, often one-size approach, and for knits that are designed to be layered—over shirting, under coats, with denim, with tailoring, with nothing but skin and confidence.

Interesting facts most people miss: first, the brand’s numbered system isn’t a gimmick—it’s a design archive, a way to keep classics in rotation and let customers return to “their” shape. Second, EXTREME CAshMERE has become a quiet fashion-editor staple because it photographs like a dream: cashmere that catches light softly, never shiny, never stiff. Third, many pieces are deliberately cut to feel slouchy but precise—a patternmaking trick that makes “effortless” look intentional.

Discover the full EXTREME CAshMERE collection at Aumifour—where the best knits aren’t just bought, they’re adopted.

FAQ

1) What is EXTREME CAshMERE?

EXTREME CAshMERE is an Amsterdam-based knitwear label dedicated to elevated cashmere essentials—pieces that feel like loungewear but read like fashion. The brand is known for numbered styles (n° references), a pared-back palette punctuated by statement shades, and silhouettes that look relaxed while staying beautifully engineered. Think cardigans with the perfect drop, sweaters with a neckline that sits just so, and vests that make layering feel modern rather than “practical.” If you’re shopping the brand for the first time, start with the icons—cardigans, zip knits, and sleeveless layers—then build your uniform from there.

2) Why does EXTREME CAshMERE use numbers (like n243)?

The numbers are the brand’s internal language: a catalog of shapes that can return, evolve, and remain collectible. Instead of forcing a new “name” each season, the n° system keeps the focus on cut, proportion, and function—what the garment does for your wardrobe. It also makes reordering easier when you find your holy-grail fit: you remember the number the way you remember your perfect lipstick shade. For customers, it’s a pleasure: once you learn the code, you shop with confidence—especially across staples like cardigans, vests, and zip sweaters found in the EXTREME CAshMERE collection.

3) What’s the quality like—what materials and construction should I expect?

EXTREME CAshMERE is prized for its tactile, skin-first feel: cashmere that’s plush without being puffy, warm without being heavy. Expect fine-gauge knitwear with considered ribbing (at cuffs, hem, and neck) to help pieces hold their shape, plus carefully balanced proportions so “relaxed” doesn’t become “baggy.” Many styles are designed to layer, which means armholes, necklines, and body length are intentionally calibrated for movement. If you’re sensitive to itch, this is the sort of cashmere that tends to win people over—soft, breathable, and quietly resilient when cared for properly.

4) How does EXTREME CAshMERE fit? Is it really one size?

Fit is one of the brand’s signatures: a modern, editorial ease. Many EXTREME CAshMERE pieces are offered in one size, designed to drape across a range of bodies—think the way a perfectly oversized shirt works on everyone, but executed in knitwear. The “one size” is less about being shapeless and more about being flexible: dropped shoulders, forgiving rib, and lengths chosen to flatter rather than fight. If you prefer a closer silhouette, look for styles with stronger rib structure or more fitted sleeves; if you love volume, choose cardigans and sweaters with deliberate slouch through the body.

5) What is the EXTREME CAshMERE n243 Spencer Vest?

The n243 Spencer Vest is one of those pieces that makes a wardrobe feel instantly intentional: a sleeveless cashmere layer designed for crisp styling and easy warmth. “Spencer” suggests a shorter, sharp proportion—ideal over a long shirt, a tee, or even a slip dress—so you get contrast in lengths and a clean line at the waist. Expect thoughtful finishing (neat armholes, ribbed edges, and a knit that sits close without clinging). It’s a layering hero for transitional weather and indoor life alike—polished enough for meetings, comfortable enough for travel.

6) Which EXTREME CAshMERE piece should I buy first?

Start with what you’ll reach for three times a week: a cardigan or zip knit in a color you can live in—black, cream, graphite, or a shade that brightens your complexion. Cardigans are the brand’s sweet spot because they do double-duty: worn closed like a top, open like a jacket, or shrugged over the shoulders like a stylist trick. If you want instant edge, choose an asymmetrical cut; if you want everyday ease, choose a classic button or zip. Browse the edit in the EXTREME CAshMERE collection and think in outfits, not items.

7) How do I style EXTREME CAshMERE like a fashion editor?

Editors style EXTREME CAshMERE the way they style a great blazer: as the anchor that makes everything else look more expensive. Try a black cardigan over a white poplin shirt with the collar pulled out—clean, French, confident. Or wear a zip knit half-open with a silk tank beneath, adding a glint of jewelry at the collarbone. Vests (like the Spencer) look best when you exaggerate contrast: a long shirt hem peeking out, wide-leg trousers, and boots. The magic is in the proportions—short over long, slim over wide, soft knit against crisp tailoring.

8) How should I wash and care for EXTREME CAshMERE?

Cashmere rewards gentleness and consistency. Air out after wear, fold instead of hanging (to protect the shoulders), and de-pill lightly with a proper cashmere comb—pilling is normal friction, not “bad quality.” For washing, follow the care label, but generally: cool water, delicate wool detergent, minimal agitation, and dry flat reshaped. Avoid hot water and tumble dryers; heat is the enemy of soft fibers. If you’re storing for the season, keep pieces clean, folded, and protected (breathable storage and moth prevention). Treated well, a great cashmere knit doesn’t merely last—it gets better, softer, more yours.

9) Is EXTREME CAshMERE worth the investment?

It’s worth it if you value cost-per-wear and tactile pleasure. A truly excellent cashmere piece becomes a lifestyle item: it replaces the hoodie, upgrades the airport outfit, elevates the office uniform, and softens an evening look. The brand’s strength is repeatability—styles you can return to, in the same spirit, season after season. If you’re building a capsule, invest in a neutral cardigan or zip knit first, then add a vest for layering and a second knit in a mood-lifting color. The best test is simple: will you want to wear it tomorrow morning?

STYLING & CARE GUIDE

Think of EXTREME CAshMERE as the quiet engine behind a great look. Fashion editors keep it close to the body: a cardigan buttoned as a top with tailored trousers; a zip knit under a trench; a vest over a crisp shirt with the cuffs pushed out. The texture is the point—cashmere that looks matte and modern, never fussy—so let it contrast with leather, denim, and poplin. For care, fold knits, de-pill gently, and wash sparingly on cold (or hand-wash) with a wool-safe detergent, drying flat. Your best “investment pieces” are the ones that do three jobs: a black cardigan, a zip sweater, and a sleeveless layer like the Spencer. Find them in the EXTREME CAshMERE collection and build a wardrobe that feels like comfort—only sharper.

THE CLOSE

EXTREME CAshMERE is for people who want luxury that doesn’t ask permission—cashmere that lives with you, not above you. Aumifour curates these pieces with the same philosophy: fewer, better, and unmistakably authentic. When you shop with Aumifour, you’re choosing a retailer that values provenance, careful selection, and the kind of wardrobe staples that quietly change how you dress every day. Ready to meet your future favorite knit? Explore the full EXTREME CAshMERE collection and choose the piece you’ll reach for when you want to feel held—and look composed.