What Is Sizing Like at Maria McManus?

Maria McManus runs broadly true to size, but with a catch worth knowing before you buy: her tailored pieces — blazers, high-waist trousers, structured shirts — sit snug through the shoulders and waist, while her knits, tees and signature oversized shirts are cut far more generously. Get those two halves of the wardrobe right and the brand fits beautifully. Treat it like one blanket sizing rule and you’ll come unstuck.

I’ve styled enough quiet-luxury labels to know that “true to size” is rarely the whole story, and Maria McManus is a perfect example. The label is cut to US sizing (so a US 4 is roughly a UK 8), spanning both numeric (0–12) and alpha (XS–L) depending on the piece. Here’s how it actually behaves on the body.

Where it runs snug

The tailoring is where precision matters. Maria McManus cuts her blazers and high-waist trousers close — deliberately. The shoulders are narrow and the waist is defined, which is exactly what makes the silhouette so sharp, but it leaves little room if you’re broader up top or carry curves through the hip.

Blazers and structured jackets: true to size if you want them fitted, which is how they’re designed to be worn. Size up only if you plan to layer chunky knits underneath.
High-waist trousers: true to size, occasionally snug. The brand’s own advice is to size up if you’re between sizes — sound counsel I’d echo.
Tailored shirts (the fitted styles, not the oversized): take your usual size and expect a clean, close cut.

A quick confession of a fashion fail: early in my career I once sized a client up “to be safe” in a sharply tailored designer blazer, and the whole structured shoulder collapsed off her frame. With tailoring this considered, safe sizing-up is the enemy of the look. Trust the cut.

Where it runs relaxed

The knitwear and jersey are a different animal entirely — and this is where Maria McManus earns its cult following.

Knits and jumpers: generous and softly oversized. Stick with your usual size for that relaxed, slouchy drape.
Oversized shirts and tunics: cut roomy on purpose. If you want a neater line, size down one.
T-shirts: relaxed through the body — your normal size gives that easy, lived-in look.

The fabrics are the other half of the fit story. She works in regenerative wool, organic cotton, recycled cashmere and high-twist Japanese cotton, much of it Responsible Wool Standard certified. The wool-blend tailoring has a touch of stretch and moulds to you over a season; the pure cotton pieces hold their shape and soften with washing. Fabric, not just the label, tells you how a piece will move.

My styling take

Maria McManus is built for a capsule wardrobe — the sort of pieces you buy once and wear for a decade. My advice: get the tailoring fitted and let the knitwear do the relaxing. A close blazer over a softly oversized tee, high-waist trousers with a slouchy jumper half-tucked — that contrast of sharp and easy is the whole point of the label. One genuine win from my own rail: a true-to-size oversized cotton shirt I very nearly sized down, worn open over a vest with the sleeves pushed up. Three years on it’s still in heavy rotation. Sometimes the roomy cut is the design, not a mistake.

Where to shop a similar look

If you love the Maria McManus aesthetic — clean, minimalist, sustainably made — here’s where I’d send you across every budget.

High street

COS — the closest high-street match for that pared-back, architectural minimalism.
Massimo Dutti — elevated tailoring and beautiful trousers at a fraction of designer prices.
Jigsaw — quiet, quality separates with a similarly grown-up sensibility.
Hush — relaxed, easy knits and shirts in that same understated palette.
Uniqlo — unbeatable for the knit and tee basics that layer underneath.
Me&Em — clever, flattering tailoring designed to elongate the line.
Mint Velvet — soft, luxe-feeling separates with a relaxed edge.

Premium

Totême — Scandinavian minimalism that’s the spiritual sister of Maria McManus.
Baukjen — British and genuinely sustainability-led, strong on tailored basics.
Brora — for cashmere knits with the same buy-it-for-life quality.

Luxury / designer

Max Mara — the gold standard for coats and tailoring built to last a lifetime.

Two to discover

Lauren Manoogian — NYC artisanal knitwear, hand-finished and quietly extraordinary.
Bassike — Australian organic-cotton minimalism with that same effortless, considered ease.

Never look at a size guide again

Tellar is the UK’s leading sizing tool — your body matched exactly to 1,500+ brands instantly, Maria McManus included. Honest, unbiased and always free.

Measure once using bust, waist, hip, or an existing brand size you already know fits.
Use the Store Size Lookup tool to get your precise size in any brand — COS, Reiss, Everlane, Arket and more.
Always free, no downloads — it works straight in your browser.
No tape measure? We’ll post you one for free.

Find your Maria McManus size →

More on the Tellar Fashion Hub

Beyond the tool, the Tellar Fashion Hub is a library stacked with free posts from our top stylists — honest, unbiased, independent and always free. Style advice, top picks and the best brands for every query, all in one place.