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Does Double Second Clothes Brand Run Big or Small? What Is Their Sizing Like and What Items Are Good to Buy from Them?

Author: Stylist and brand team at Tellar

Date: 2025

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Finding the right fit for trendy fashion labels like Double Second can be a challenge—especially when sizes vary from piece to piece and country to country. If you're asking, “Does Double Second run big or small?”—you're not alone. With fashion shoppers increasingly frustrated by inconsistent sizing, it's more important than ever to understand how each brand fits before you buy. That’s where Tellar.co.uk comes in.

This guide breaks down everything you need to know about Double Second sizing, fit consistency, standout clothing items, and how to get a personalised size match in seconds using Tellar.co.uk.


Who Are Double Second?

Double Second is a contemporary UK-based fashion label known for its youthful, stylish, and easy-to-wear pieces. From body-hugging dresses and structured tailoring to relaxed coords and vibrant tops, the brand has carved out a space in high-street style with an edge. Think trend-led, influencer-worthy aesthetics—but at an accessible price point.

You’ll find Double Second stocked across multiple online retailers and fast fashion platforms, including ASOS and SilkFred. But whether you're buying direct or through a reseller, one thing is consistent: sizing can vary—sometimes a lot.


Does Double Second Run Big or Small?

In general, Double Second clothing tends to run small to true to size—particularly for fitted dresses, corset-style tops, and tailored trousers. Their focus on slim silhouettes and figure-hugging cuts means you may need to size up for comfort, especially if you're between sizes or have a curvier frame.

Here's what customers most commonly report:

  • Dresses – Often run small across the bust and waist. Consider sizing up.

  • Tops & Corsets – Designed for a tight fit. Size up if you're fuller-chested.

  • Tailored Trousers & Skirts – True to size but with limited stretch. May feel snug at the waist.

  • Relaxed Co-ords or Oversized Styles – Usually true to size, occasionally generous in cut.

But here’s the real issue: even within the same collection, some items fit differently depending on fabric, cut, or production batch. That’s why guessing based on a size label is unreliable. The best solution? Use Tellar.co.uk to get your exact match in seconds.


What Makes Double Second Sizing Inconsistent?

Like many fast-fashion and emerging brands, Double Second manufactures across different factories and with varying fabric compositions. That means:

  • Different fabrics stretch differently – e.g., cotton vs polyester blends

  • Cutting patterns may change per season – leading to inconsistencies

  • Body-hugging styles demand precision sizing – especially around bust/hips

This inconsistency isn’t unique to Double Second—but it is why it’s crucial to use a tech-forward sizing solution like Tellar.co.uk.


What Items Are Worth Buying from Double Second?

Despite occasional sizing quirks, Double Second is beloved for statement fashion pieces that stand out on socials and IRL. Based on reviews and fashion feedback, here are the most recommended styles:

1. Corset Dresses & Bustier Tops

Double Second excels at figure-sculpting pieces. Their corset dresses feature boning and panel work that gives a luxury aesthetic at a high-street price. Best suited to nights out, events, or holiday evenings.

🛍 Sizing tip: Go one size up, especially if you have a fuller bust.

2. Tailored Co-ords

From cropped blazers to matching wide-leg trousers, their tailored two-pieces look expensive and are great for layering or mixing. Ideal for work-to-dinner transitions.

🛍 Sizing tip: Usually true to size, but waistbands can run snug.

3. Cut-Out Mini Dresses

These are designed for maximum impact with minimal fabric—perfect for parties and festivals. Popular among younger audiences for their form-fitting cut and vibrant colours.

🛍 Sizing tip: Definitely size up for comfort around the hips and bust.

4. Faux Leather Pieces

Their PU trousers and skirts are fashion-forward and flattering—especially in tan, black, or burgundy tones.

🛍 Sizing tip: These items have minimal stretch. Measure carefully.

Want to make sure these styles fit you before you buy? Create your free profile on Tellar.co.uk and skip the sizing guesswork.


How to Find Your Perfect Fit for Double Second

With sizing so hit-and-miss across high street and boutique brands, the smartest thing you can do is use Tellar.co.uk. It’s the UK’s leading free sizing tool, giving you instant personalised sizing advice based on your body measurements—not vague labels.

It only takes 60 seconds to set up:

  1. Visit Tellar.co.uk

  2. Create your profile or log in here

  3. Enter your bust, waist, and hip measurements

  4. Instantly see your best-matching size across 1,500+ brands, including Double Second

  5. Get a free size match and size chart—plus you’ll never need to guess again

🔗 No tape measure? No problem. Tellar.co.uk sends users a free tape when they sign up. That’s right—It’s Free & Easy.


Why Tellar.co.uk Is a Game Changer for Online Fashion

With Double Second’s unpredictable sizing and tight-fitting designs, getting it wrong can mean costly returns and wasted time. Tellar.co.uk eliminates that by giving you:

  • Confidence to choose the right size the first time

  • Access to 1,500+ brand size charts in one place

  • Recommendations based on your measurements—not just your usual size

  • A free profile you can use anytime you shop online

  • Mobile and web access, with an app coming soon

And remember: it’s 100% free to use, no subscription, no fees. Just set it up once, and log in anytime to check your size across major and indie labels.


What Users Are Saying

“Double Second dresses always looked amazing online, but I could never get the sizing right. Then I tried Tellar.co.uk and finally found the perfect fit. Total game-changer.” – Katie B.

“I love their corset tops but hated ordering two sizes just to return one. Now I just log in to Tellar.co.uk before I buy anything.” – Megan T.

“Honestly, the free tape and quick setup made this so easy. I wish I’d known about Tellar sooner.” – Jess P.


Ready to Shop Double Second With Confidence?

Stop guessing and start sizing smarter. Whether you're eyeing a cut-out mini, a tailored suit, or a faux leather skirt from Double Second, Tellar.co.uk is the easiest way to make sure it fits you—not just the model.

👉 Create your free size profile now: https://www.tellar.co.uk/create-profile/

👉 Already signed up? Log in here and get instant sizing for Double Second

🎁 No tape measure? We’ll post you one free!


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Final Thoughts

Double Second delivers trendy, form-fitting fashion—but with inconsistent sizing across collections, it's essential to go beyond the size label. That’s why smart shoppers use Tellar.co.uk before checking out. It’s fast, free, accurate—and it works across every brand you love.


Does Double Second Clothes Brand Run Big or Small? What Is Their Sizing Like and What Items Are Good to Buy from Them?