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Does Thom Browne Run Big or Small? Fit Guide, Sizing Breakdown & What to Buy

Author: Stylist and brand team at Tellar

Date: 2025

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Luxury Tailoring & Streetwear Sizing | Tellar.co.uk


Shrunken Silhouettes, Tailored Precision — But What’s the Fit Like?

Thom Browne is one of fashion’s most recognisable luxury designers — defined by sharply tailored suits, 4-bar stripes, exposed ankle cuffs, and a modern take on Ivy League uniform dressing. Whether you're buying from the brand’s signature suiting or exploring their off-duty sweatshirts and knits, one thing is certain:

Thom Browne sizing is not like anything else on the market.

🧵 Want to find your exact size in Thom Browne? Create your free profile at Tellar.co.uk and get instant fit results — plus sizing advice across thousands of brands. One-time setup, always free, with a printable measuring tape included.


Does Thom Browne Run Big or Small?

Thom Browne runs small. Almost all garments — particularly tailoring and shirting — follow a deliberately shrunken silhouette. This is the brand’s signature aesthetic. That means:

  • Shorter arms, cropped hems, and tight shoulders are intentional

  • Trousers are designed to stop above the ankle

  • Sweatshirts and cardigans are slim and close-fitting

  • Women’s styles are similarly structured, with little stretch

If you’re shopping for everyday wear rather than a runway look, you’ll likely want to size up — or even go two sizes up for a more conventional fit.

🎯 Tellar matches your measurements to Thom Browne’s actual cuts — and thousands of other brands


Thom Browne Sizing by Category

Men’s Tailoring (Suits, Shirts, Blazers)

Thom Browne suits are defined by their cropped proportions and narrow tailoring.

  • Runs small by standard UK sizing

  • Sleeves are intentionally short to reveal shirt cuffs

  • Shoulder and chest fit is very tight — size up 1–2 sizes for comfort

  • Suits often sold by numeric sizing (e.g. Size 1 = XS, Size 2 = S, Size 3 = M, etc.)

Men’s Knitwear & Sweatshirts

Crewnecks, cardigans, and sweatshirts are close-cut with narrow sleeves and cropped lengths.

  • True to size for signature look

  • Size up for a more relaxed or wearable fit

  • Ribbed hems may feel tight at the waist

Women’s Collection

Blazers, skirts, dresses and knits are equally tailored — often without stretch.

  • Runs small in almost all pieces, especially tops and blazers

  • Dresses often feature exaggerated waists or slim bustlines

  • Pencil skirts and pleated minis may fit snug on curvier hips — size up

Accessories & Footwear

  • Footwear: True to size, slightly narrow in brogues and loafers

  • Bags: One-size, rigid structure — may feel smaller than expected

📏 Set up your Tellar profile and download your printable measuring tape today


Thom Browne Fit Feedback from Tellar Users

Item Type

Runs Small

True to Size

Runs Large

Tailored Suits

✅✅

Shirts & Polos

Knitwear & Sweatshirts

Women’s Blazers

Pleated Skirts


🧵 Also shopping structured or luxury tailoring? Try these Tellar fit guides:


What to Buy from Thom Browne (and What to Size Up In)

1. Tailored Wool Suits

Iconic and beautifully constructed — but size up at least one size, especially if you’re broad-chested or tall.

2. Shirts & Oxford Button-Downs

These are crisp and sharply cut. Size up if you want arm mobility or length.

3. Sweaters, Cardigans & 4-Bar Sweatshirts

True to size if you want the classic TB cropped look. Size up for layering or if you're tall.

4. Dresses & Skirts (Women)

Structured and slim-cut — size up for movement, especially in hips and chest.

5. Shoes & Accessories

Classic brogues and leather loafers tend to be true to size, but try on if possible — widths can vary.

🛍 Compare your Thom Browne fit with thousands of others using Tellar's instant fit checker


Key Thom Browne Sizing Tips

  • Size up at least once for a wearable fit — especially in suits and structured garments

  • If in doubt, try numeric sizing equivalence:

    • Size 0 = XXS

    • Size 1 = XS

    • Size 2 = S

    • Size 3 = M

    • Size 4 = L

    • Size 5 = XL

  • Check sleeve and hem lengths — cropped is intentional, but not for everyone

  • Don’t assume slim = stretch — most fabrics are structured with no give

🎯 Tellar takes all of this into account and tells you your exact size in seconds


Why Tellar.co.uk is Essential for Shopping Thom Browne

Luxury tailoring like Thom Browne can be a major investment — and incorrect sizing not only affects comfort but can alter the entire silhouette.

That’s why Tellar.co.uk exists:

  • ✅ Real-body measurement matching across structured garments

  • ✅ Cross-comparison with thousands of brands

  • ✅ One-time setup, always accurate

  • ✅ Free printable measuring tape

  • ✅ 100% free to use — no account needed to get your result

📏 Start now and find your Thom Browne size instantly — no guesswork, no returns


Related Sizing Guides to Explore

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Final Verdict: Does Thom Browne Run Big or Small?

  • Almost all pieces run small, due to the designer’s intentional “shrunken” aesthetic

  • Tailoring and shirts require sizing up for comfort or layering

  • Sweatshirts and knits follow the cropped Thom Browne fit — size up for length or looser style

  • Women’s garments are equally structured, often cut slim with little give

🎯 Use Tellar.co.uk to find your perfect Thom Browne size — and compare it to thousands of others instantly


📣 Final Call to Action

Find your size in thousands of brands, real-time. It’s free & easy.

Only at Tellar.co.uk — the UK’s most accurate sizing tool.