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Designer Fit Guide: True-to-Size, Runs Small, or Runs Large

Author: Stylist and brand team at Tellar

Date: 2025

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Navigating designer sizing can save you time, money, and return hassles. This guide breaks down key brands—highlighting their fit tendencies and standout style picks.


✅ Brands That Fit True to Size

  • The Row

    Sleek tailoring that aligns well with UK/EU sizing.

    Style Pick: Tailored linen trousers or structured blazers.

  • Chloé

    Feminine cuts that match standard sizes.

    Style Pick: Wrap midi dresses or peplum blouses.

  • Céline (Hedi Slimane era)

    Consistent tailored fits across seasons.

    Style Pick: Blazers and elevated jeans—true to size; size up for higher-waist styles.

  • Victoria Beckham

    Precision tailoring—stick with your usual size unless you're borderline.

    Style Pick: Pencil skirts or minimalist dresses.

  • Max Mara

    Reliable Italian cuts for coats and trousers; knits may feel roomy.

    Style Pick: Double-faced wool coats or sleek trousers.


🧩 Brands That Run Small (Size Up)

  • Isabel Marant

    Slim arms and defined busts—great to size up in fitted jackets.

    Style Pick: Waterfall jackets, oversized knits.

  • Dior

    Narrow tailoring requires sizing up for comfort.

    Style Pick: Tailored sheath dresses.

  • Maje & Sandro

    Body-skimming Parisian designs—order one size up.

    Style Pick: Slim jeans or leather jackets.

  • Acne Studios

    Compact Scandinavian cuts.

    Style Pick: High-rise denim—size up for relaxed fit.

  • Valentino

    Tailored pieces that often run small.

    Style Pick: Embellished dresses—one size larger works better.


🌬️ Brands That Run Large (Size Down)

  • Loro Piana

    Luxurious drape implies generous sizing.

    Style Pick: Cashmere knits or puffer jackets—go a size smaller.

  • Brunello Cucinelli

    Relaxed tailoring—ideal to size down.

    Style Pick: Wool trousers or luxe sweaters.

  • Totême & Jil Sander

    Clean, loose minimalism.

    Style Pick: Boxy coats or structured shirting—size down for sharper fit.

  • Dries Van Noten

    Artistic drapes and voluminous styles.

    Style Pick: Flowy silk pants—choose a smaller size.

  • COS

    High-street with generous sizing.

    Style Pick: Cropped blazers or wide-leg trousers—one size smaller fits well.


📏 Understanding Sizing Differences

  • Tailored brands (like Dior or Céline) deliver shape and minimal stretch—compact fits.

  • Relaxed/minimalists (Totême, Cucinelli) prioritise comfort with roomy drapes.

  • Tellar’s Fit Notes guide you per product: “runs small in shoulder” or “generous hip”.


🔄 Use Tellar for Precise Fit

These tools help you instantly determine whether to size up, size down, or stick to your size—saving money and time.


🧥 Style Picks by Brand Fit

Brand

Fit Note

Style Pick Ideas

The Row

True to size

Tailored blazer, linen trousers

Chloé

True to size

Wrap midi dress, peplum blouse

Céline

True to size

Blazer & elevated jeans

Isabel Marant

Runs small → size up

Waterfall jacket, knits

Dior

Runs small → size up

Tailored sheath dress

Max Mara

True to size

Wool coat, silk scarf

Loro Piana

Runs large → size down

Cashmere knit, puffer jacket

Brunello Cucinelli

Runs large → size down

Wool trousers, luxe sweater

Totême

Runs large → size down

Boxy coat

COS

Runs large → size down

Cropped blazers, wide-leg trousers


📌 Best Practices for Smart Shopping

  1. Choose a base size aligned with brand tendencies: size up in small-running brands, down in roomy ones.

  2. Watch fabric composition: Rigid tailoring = less stretch; knit/stretch = flexible fit.

  3. Follow Tellar’s “Fit Notes”: Product-specific notes provide helpful flags.

  4. Between sizes? Size up in small-fit brands; size down in oversized fits.

  5. Tailoring tip: A custom hem or nip at the waist in luxury brands is often worth it.

  6. Avoid returns: Tellar’s tools reduce guesswork, returns, and environmental waste.


🧭 More Tellar Fit & Style Guides


🌟 Stay Connected with Tellar

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 Final Take

With insights into which designer brands run true, small, or large—and Tellar’s fit engine by your side—you’ll shop with confidence and clarity. No guesswork. No costly returns. Just perfectly fitting pieces every time.