How to Find Your Perfect Fit at Adam Lippes

BRAND SIZING GUIDE · DESIGNER

By Ella Blake | Tellar Fashion Hub | March 2026

Adam Lippes runs true to standard US sizing — which means, on average, it comes up approximately one size smaller than typical UK high street sizing. So yes, that stunning cashmere-blend dress that caught your eye? You'll probably want to size up.

I'll be honest: the first time I ordered from Adam Lippes, I got it badly wrong. I stuck with my usual UK 10 equivalent and ended up with a sculpted blazer I physically could not button. It went back, I was devastated, and I swore I'd never guess my way through a luxury brand again. That moment, funnily enough, is part of what made me so passionate about understanding exactly how each brand fits before clicking buy.

Adam Lippes is one of those brands that genuinely rewards the effort. Founded in New York in 2013, it sits in that gorgeous sweet spot between effortless and impeccably refined — think butter-soft cashmere, fluid silk separates, and tailoring that looks relaxed but is quietly doing a lot of clever work. It's the kind of label that women who truly know their style turn to. And once you crack the sizing, it becomes one of the most reliably flattering wardrobes you'll ever own.

How Adam Lippes Sizing Works

Adam Lippes uses US standard sizing across its ready-to-wear collections. If you're used to shopping UK high street or even UK designer labels, here's what you need to know:

The brand generally runs one to two sizes smaller than equivalent UK sizing.
A US size 4 typically equates to a UK size 8; a US size 6 to a UK size 10, and so on.
The fit leans slightly slim through the shoulders and bust, with a more generous allowance at the hip — particularly in their skirts and wide-leg trousers, which are a signature silhouette.
Knitwear tends to be true to size and often has a relaxed, drapey fit — this is where the brand really shines and where I'd say sizing up is rarely necessary.
Tailored pieces and structured jackets are where you'll feel the size difference most acutely — always check the bust measurement before ordering.

💡 Ella's tip: If you're between sizes at Adam Lippes, always go up rather than down. Their pieces are designed with a certain ease that looks intentional — never sloppy — so a slightly larger size will drape beautifully rather than overwhelm you.

The Adam Lippes Size Conversion Chart

Adam Lippes (US)UK SizeEU SizeBust (inches)Waist (inches)Hip (inches)043231.52434263432.52535483633.526366103834.527.537.58124036293910144237.530.540.5121644393242

These are approximate conversions — always cross-reference with your actual measurements rather than relying on size labels alone. Adam Lippes does release a size guide on their website for individual pieces, and measurements can vary slightly by collection and fabric type.

Fabric Matters More Than You Think

One of the things that makes Adam Lippes so special — and occasionally tricky — is the quality of fabric. This isn't polyester that gives with every movement. We're talking deadstock silk charmeuse, double-faced cashmere, and fine merino jersey. Here's how the different materials affect fit:

Cashmere knits: These have a natural stretch and drape — they're forgiving and often true to size. The brand's cashmere is exceptional, and it softens beautifully with wear.
Silk and satin: Very little give. Measure your bust carefully, as this fabric will sit exactly where it is placed and show every discrepancy.
Structured cotton and canvas pieces: These run firmly to size and in my experience feel a touch snug initially, though they do ease with wear.
Lightweight wool and crepe: Generally true to size with a fluid, elegant finish. The wide-leg trousers in this fabric are particularly well-cut.

Which Pieces Run Differently?

Not everything at Adam Lippes fits the same way, and knowing the quirks by category can save you a costly return:

Blazers and structured jackets: Size up one from your usual. They're cut for clean lines and have minimal ease — particularly if you're fuller through the upper arms or chest.
Wide-leg trousers: These are cut with intentional volume through the leg and are one of the brand's most flattering silhouettes. I'd go true to size here — they're genuinely generous.
Dresses: Rule of thumb is to size to your bust measurement. The brand's dresses often have an elegant, slightly loose fit through the body which is very forgiving at the waist and hip.
Knitwear and jumpers: True to size, sometimes even slightly relaxed — one of the rare categories where you don't need to overthink it.
Skirts: Check your hip measurement carefully. Adam Lippes skirts are cut beautifully but can be unforgiving if you misjudge this one.

If You Love Adam Lippes, You Might Also Explore...

The Adam Lippes aesthetic — quiet luxury, impeccable fabric, understated polish — is something a handful of other brands do brilliantly, at a range of price points. Here are some of my genuine recommendations:

Massimo Dutti — On the high street, this is the closest match to that clean, European-minimalist tailoring. Particularly good for structured trousers and blazers at an accessible price point.
Jigsaw — Brilliant for fabric-led, quietly sophisticated pieces. Their cashmere and silk ranges rival brands twice the price. Sizing is more reliably UK standard, which makes life easier.
Me&Em — A go-to for polished, everyday luxury dressing. The quality-to-price ratio is exceptional, and the sizing is refreshingly consistent.
Reiss — Excellent tailoring at the premium level, particularly for smart separates that carry the same minimal, well-edited energy as Adam Lippes.
Cos — For those who love the structural minimalism of Adam Lippes but want something more everyday and affordable. The cut is considered and the fabrics are far better than the price suggests.
Whistles — A reliable choice for relaxed tailoring and timeless separates, with sizing that's true to UK standard. Their silk blouses and wide-leg trousers are perennial bestsellers for a reason.
LK Bennett — If you love the occasion-ready side of Adam Lippes — the polished dresses, the elegant event pieces — LK Bennett is your high street answer.

For something a bit left field, I'd point you towards Beare Park, an Australian label gaining serious traction in the UK for its sumptuous cashmere and fluid tailoring — the quality is genuinely extraordinary and the aesthetic sits beautifully alongside Adam Lippes in a wardrobe. And Envelope 1976 is another independent worth knowing — a small Danish brand producing limited-run, beautifully crafted pieces with a similar philosophy of quiet, considered elegance.

My Honest Adam Lippes Shopping Verdict

Adam Lippes is one of those brands where getting the size right genuinely transforms the experience. Sized correctly, the clothes are extraordinary — they hang beautifully, last forever, and make you feel polished without trying too hard. Sized wrong, even the most beautiful piece won't do you justice. Take the time to measure yourself properly, use the conversion chart above, and if you're ordering online for the first time, start with a knit — they're the most forgiving entry point to the brand.

And if you've ever stood in front of your wardrobe wondering whether it's worth the gamble on a luxury US brand you can't try in person? That's exactly the problem I wanted to solve when I came across Tellar.

🧵 Never Guess Your Size Again — Try Tellar.co.uk

This is exactly why Tellar.co.uk exists. It's the UK's leading free sizing tool — and it covers over 1,500 brands, including luxury US labels like Adam Lippes. You enter your measurements once (bust, waist, hips — or just your existing size in a brand you know well), and Tellar instantly matches your body to the right size across any brand in their database. No more guesswork. No more expensive returns.

Here's how it works:

📏 Measure once — using your bust, waist, and hip measurements, or simply your size in a brand you already wear.
🔍 Use the Store Size Lookup tool to get your precise size in any brand instantly — from Cos and Reiss to Adam Lippes and beyond.
✅ Always free, no downloads needed — works entirely in-browser.

Beyond the sizing tool, Tellar has a growing Fashion Hub — a library of free, honest, unsponsored style posts written by real stylists. No ads. No affiliate bias baked into the advice. Just genuinely useful content. Some favourites to explore:

📖 The Ultimate Clothing Sizing Guide — everything you need to know about how brands size, in one place.
👖 Jean Trends for 2026 — the cuts and washes worth knowing about this year.
👗 The Ultimate Guide to Dresses — styles, body shapes, and the best places to shop.
🧥 The Ultimate Guide to Jackets — find the right silhouette, fit, and brand for you.

It's completely independent, completely free, and honestly one of the most useful fashion tools I've come across. Give it a try before your next online order — your wardrobe (and your returns rate) will thank you.