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Simply Be: How to Find Your Perfect Size and What’s Worth Buying

Author: Stylist and brand team at Tellar

Date: 2025

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Simply Be is a UK fashion brand that has championed body inclusivity long before it became mainstream. Offering sizes from UK 10 to 32, the brand focuses on flattering cuts, trend-led styles, and clothes that are designed to fit real women—not mannequins. But while Simply Be's ethos is body-positive, shoppers still face the same issue: how do you know what size will fit you best?

Whether you're curvy, petite, tall, or somewhere in between, this guide will help you shop Simply Be more confidently—using Tellar.co.uk to find your true size and highlighting which pieces are genuinely worth the investment.


The Simply Be Sizing Challenge

Simply Be uses UK-based sizing with curve-friendly grading, but like most retailers, their fit can vary across:

  • Product types (jeans vs dresses)

  • Fabrics (stretch denim vs woven cotton)

  • Cuts (bodycon vs A-line)

  • Collaborations (e.g., influencer edits may run smaller or larger)

Even within the same size, you might find some pieces too tight in the waist and others too loose in the bust. That’s where Tellar.co.uk comes in.


How Tellar.co.uk Solves Sizing at Simply Be

Tellar.co.uk is the UK’s leading free sizing tool. It compares your exact measurements—or your size in another brand—to Simply Be’s cut and style data, giving you a perfect size match in real time.

Why Simply Be Shoppers Use Tellar:

✅ Real user data + brand-specific fit patterns

✅ Accounts for stretch, waist-to-hip ratios and cut

✅ Helps reduce returns and uncertainty

✅ Works for 1,500+ brands (not just Simply Be)

🔗 Check your Simply Be size now

📏 Don’t have a tape measure? Get one free here


How Simply Be Sizing Runs (Based on Real Data)

Tellar has collected thousands of Simply Be sizing results. Here’s what we’ve found:

Product Type

Fit Notes

Jeans & Trousers

True to size, but check rise for tummy fit

Dresses (casual)

Generous, but waistlines can vary

Formalwear

Slightly small in bust—measure first

Knitwear

Relaxed fit, often oversized

Swimwear

Runs snug—Tellar adjusts for bust support

Coats & Jackets

True to size, roomy in the shoulders

🧵 Bias cuts, darts, and belted pieces affect fit—Tellar helps navigate them all.


What’s Worth Buying at Simply Be

Not everything Simply Be sells is equal in value or quality. Here are the top-performing categories based on fit, versatility, and wearability:

1. Power Fit Jeans

  • High-stretch denim in petite, regular and tall lengths

  • Designed with curvy bodies in mind

  • Tellar ensures the waistband fits without gaping or pinching

2. Floaty Midi Dresses

  • Great for pear and hourglass shapes

  • Works across seasons

  • Some have hidden tummy support or wrap silhouettes—sizing accuracy is key

3. Tailored Blazers & Co-ords

  • Structured options perfect for work or events

  • Slimming lapels, longer-line cuts, and good shoulder fit

  • Tellar flags when you need to size up for layering

4. Swimwear with Built-In Support

  • Control panels, underwire, and high-leg cuts

  • Cup sizing can vary—Tellar calculates bust volume for support


Fit Tips for Different Body Types

Simply Be caters to curves—but here’s how to pick the best pieces for your unique shape:

  • Hourglass: Go for wrap styles and belted shirt dresses—highlight that waist.

  • Pear-Shaped: Choose A-line skirts and wide-leg trousers to balance proportions.

  • Apple: Look for empire-line dresses and flowy tops that skim the midsection.

  • Rectangle: Create shape with peplum tops, tie-waists, or shoulder detailing.

🔗 Full shape dressing guide here


Get Started with Tellar.co.uk (in 60 seconds)

Ready to shop smarter at Simply Be?

  1. Visit Tellar.co.uk

  2. Click Create a Profile or Login

  3. Choose your method:

    • Enter your chest, waist, and hips

    • OR select a known store and size (e.g., “I wear a UK 16 in River Island”)

  4. Get instant Simply Be sizing recommendations

  5. Use the same profile across 1,500+ brands

💡 We’ll even post you a free measuring tape if you need one.


Why UK Women Trust Tellar.co.uk

  • ✅ Built for real UK sizing challenges

  • ✅ Supports both manual and store-based sizing

  • ✅ Completely free (no catch)

  • ✅ Works for formalwear, casual, denim, and swim

  • ✅ Private, secure, and ad-free

🔍 Learn how Tellar works

📚 Explore our blog library


Related Sizing Guides

Shopping Simply Be? These articles will help you go even further:


Follow Tellar for Fit & Style Tips

Stay ahead of sales, size changes, and new brand drops. Join the Tellar community:


Final Word: Simply Be Is Worth It—When the Fit Is Right

Simply Be champions inclusive fashion. But to truly love the way you look and feel, you need to get the sizing right the first time. That’s why thousands of UK women use Tellar.co.uk every day—to shop confidently, return less, and wear more.

 Find your Simply Be size now — it’s free & easy.

🔗 Start here