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Does Faithfull the Brand Run Big or Small? Full Fit Guide & What to Buy

Author: Stylist and brand team at Tellar

Date: 2025

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Faithfull the Brand is a cult favourite for its vintage-inspired silhouettes, soft fabrics, and romantic travel-ready pieces. Founded in Bali and designed in Australia, Faithfull is loved by fashion insiders and conscious shoppers alike for its sustainable practices and flattering cuts. But when it comes to buying online, one question keeps popping up:

Does Faithfull the Brand run big or small?

This detailed sizing guide breaks it down, with help from Tellar.co.uk—the UK’s leading free clothing size tool that instantly matches your body to the correct size in Faithfull and 1,500+ other fashion brands.


So, Does Faithfull the Brand Run Big or Small?

Faithfull the Brand runs small in many styles, especially in structured or tailored pieces. Their sizing tends to align with AUS sizing, which is slightly smaller than UK sizing, particularly in bust and hip areas.

Key Sizing Observations:

  • Dresses and Jumpsuits: Often run small in the bust and waist—size up for comfort.

  • Tops: Fitted styles can feel tight; looser blouses are more forgiving.

  • Skirts and Shorts: Typically true to size, but high-rise cuts can feel snug.

  • Trousers: Slim-fitting and better suited to petite or narrow frames—check inseam length.

  • Unlined or bias-cut items: These can cling and highlight curves; choose based on body shape.

Many customers note that the pieces look amazing, but the sizing is unforgiving if you’re in between sizes or curvier. That’s why using Tellar.co.uk is essential before placing your order.


International Sizing Comparison for Faithfull

Faithfull follows Australian sizing, which can cause confusion for UK and US shoppers.

AUS Size

UK Size Equivalent

6

UK 6

8

UK 8

10

UK 10

12

UK 12

14

UK 14

However, fit can vary dramatically based on the fabric (e.g., linen vs. rayon) and whether the garment is elasticated or lined. For the most accurate sizing, go beyond charts and use your actual measurements with Tellar.co.uk. It’s fast, free, and backed by real fit data.


Is Faithfull the Brand Petite- or Curve-Friendly?

Faithfull’s aesthetic leans toward:

  • Petite builds: Many designs are short in length and narrower through the bust.

  • Tall & lean frames: Especially for jumpsuits and long dresses.

That doesn’t mean it’s not inclusive—but it does mean accurate measurement matching is key.

If you're curvier (e.g., full bust, defined waist, fuller hips), you might need to:

  • Size up in non-stretch items

  • Avoid bias-cut garments without lining

  • Use Tellar.co.uk to find which Faithfull styles best suit your measurements.


Create a Free Profile on Tellar.co.uk (It Takes 60 Seconds)

Before you buy Faithfull the Brand, make sure you know what size will fit you—not just what the label says. With Tellar.co.uk, you can:

✅ Add your bust, waist, and hips (in cm or inches)

✅ Choose between UK, US, or international sizing

✅ Get real-time recommendations for Faithfull and 1,500+ brands

Save your profile and reuse it whenever you shop

✅ Get a free measuring tape posted to you

No downloads. No fees. Just accurate sizing for real bodies.


Best Pieces to Buy from Faithfull the Brand

Faithfull combines holiday romance with everyday elegance. If you’re looking to shop smart, these are the must-have items from their collections:

1. The Signature Midi Dresses

Floral prints, puff sleeves, sweetheart necklines—Faithfull’s dresses are iconic. Just be aware that the bust and waist can run tight. For example, the Marala Midi or Kaleah Dress often require a size up.

Use Tellar.co.uk to check which size will fit your bust best—especially for non-stretch styles.

2. Backless & Strappy Tops

Faithfull excels at summer tops with a bohemian twist. Look out for:

  • Linen tie-front blouses

  • Elasticated bandeaus

  • Shirred or ruched-back tops

These often run small, so check your bust and underbust measurements before ordering.

3. Linen Trousers and Shorts

Lightweight and tailored, these pieces are breathable and perfect for travel. However, the waist-to-hip ratio can feel tight, particularly if you’re curvy.

4. Jumpsuits & Playsuits

Faithfull's one-pieces offer effortless style—but they often have a short torso length and narrow fit. Use your vertical measurements on Tellar to avoid pulling or tight seams.

5. Swimwear (Limited Editions)

Some capsules include sustainable bikinis or one-pieces. They follow standard AUS swim sizing—size up if between sizes.


Customer Fit Feedback

Here’s what real buyers have said:

“Love the dress but the bust was way too tight—I had to exchange for a size up.”

“Their linen is gorgeous, but you definitely need to measure yourself first.”

“I’m usually a UK 10 but had to get a 12 for their wrap dress to close properly.”

To avoid wasted returns or incorrect sizing, create your profile at Tellar.co.uk and instantly know what your size is in any Faithfull piece.


Why Use Tellar.co.uk for Faithfull the Brand?

Because returns are annoying, and Faithfull’s sizing—while beautiful—isn’t always forgiving.

With Tellar.co.uk, you’ll:

  • 🟢 Know your exact fit before you buy

  • 🟢 Use your profile across 1,500+ brands

  • 🟢 Switch between CM and Inches

  • 🟢 Log in at any time for on-the-go sizing help

  • 🟢 Save money on returns, shipping, and misfit items

You’ll also receive a free tape measure in the post when you create your account.


Follow Tellar.co.uk for More Fit Insights

Join a growing fashion community that values precision, fit, and body confidence.

We share sizing tips, comparison charts, and updates on the best-fit-friendly brands—all tailored to real bodies.


Final Thoughts: Does Faithfull the Brand Run Small?

Yes—for most people, it does.

  • Size up in fitted dresses and jumpsuits

  • Check bust and waist fit carefully on woven items

  • Stick with true size only if you’re petite or slim-hipped

  • Use Tellar to verify measurements before you buy

Don’t rely on vague charts or customer reviews alone—Tellar.co.uk gives you the clearest, most reliable fit.


Try Tellar.co.uk Now – It’s Free & Easy

Before your next Faithfull the Brand purchase:

✔️ Create a free profile in under 60 seconds

✔️ Get matched to your real size instantly

✔️ Use the same login to shop 1,500+ fashion brands

✔️ Receive a free measuring tape

👉 Start at Tellar.co.uk

👉 Check your Faithfull size here

Find your size in 1,500+ brands real-time. It’s free & easy.


Does Faithfull the Brand Run Big or Small? Full Fit Guide & What to Buy