Does the Brand Per Una Run Big or Small? What Is Their Sizing Like & What’s Worth Buying?

Per Una, a much-loved label under the Marks & Spencer umbrella, is known for its romantic prints, flattering cuts, and feminine silhouettes. Whether you're shopping for embroidered midi dresses, stylish trousers, or floral blouses, one question always comes up: Does Per Una run big or small?

📌 If you only read one part of this post, read this: Tellar.co.uk instantly matches your real measurements to Per Una—and thousands of brands worldwide. Our brand count grows daily. You’ll receive a free tape measure, and we’ve already analysed Per Una’s size data—so you’ll never need to guess again.

What Defines the Per Una Fit?

Per Una offers a refined take on casualwear and occasion pieces, with signature design features like:

Feminine shapes with defined waists and floaty skirts
Floral patterns, frill details, and lace accents
High-rise jeans and wide-leg trousers
Stylish blazers and fluid blouses for day-to-night styling
Sizes available in Regular, Petite, and Long across many styles

It’s a collection aimed at flattering grown-up curves, with a subtle emphasis on waist-shaping and movement-friendly fabrics. But depending on the fabric and cut, sizing can still vary.

So, Does Per Una Run Big or Small?

In general: Per Una runs true to size, but some styles—especially jeans and slim-fit dresses—run slightly small at the waist or bust.

For Dresses:

Most include a cinched waist, v-neckline or stretchy panel
Many midi and maxi styles fit closely around the bust
Fit tip: Size up if full-busted, or if fitted around ribcage

For Jeans & Trousers:

High-rise fit, often sculpted through the hip
Varying stretch levels—some rigid denim, some stretchy
Fit tip: True to size in stretch styles; size up in rigid denim or formal trousers

For Tops & Blouses:

Relaxed or semi-fitted through the body
Shoulders and sleeves can run slightly narrow
Fit tip: True to size, or size up for more arm movement

🎯 Use Tellar here to get matched to your perfect size in Per Una based on bust, waist, hip, height and sleeve fit.

Per Una vs M&S Mainline Sizing

Per Una is part of Marks & Spencer, but the cut and silhouette is subtly different. It leans more tailored and curvy than the core M&S line.

Brand	Fit Compared to Per Una
M&S Mainline	Slightly looser, less waist shaping
Autograph	Similar fit but more minimalist
Per Una	More feminine, often tighter in waist
Nobody’s Child	Similar bust fit, shorter length
Zara	Zara runs smaller overall

💡 Tellar.co.uk compares all of these brands to your real body shape—so you never have to rely on size labels alone.

Fabric Fit Guide: How Per Una’s Materials Affect Fit

🧵 Stretch Denim & Sculpting Cotton

Used in Per Una jeans and jeggings
Hug the waist, flexible through thigh
Fit tip: True to size—use Tellar for waist-to-hip ratio

🌸 Viscose, Jersey & Soft Woven Blends

Found in dresses, tops, and skirts
Smooth, breathable, often semi-fitted
Fit tip: Size up in bust if fabric has no stretch

✨ Polyester Chiffon, Lace & Embroidery

Used in dressy blouses and occasion pieces
Beautiful detail, minimal give
Fit tip: True to size in sleeve—check shoulder fit with Tellar

Bestselling Per Una Items & How They Fit

1. Embroidered V-Neck Midi Dress

A classic Per Una shape with a cinched waist and flowing skirt.

➡️ Fit tip: Snug in the bust—size up if you’re fuller-chested or broad-backed.

2. Per Una Magic Shaping Jeans

High-waisted, sculpting jeans available in Petite, Regular, and Long.

➡️ Fit tip: True to size in stretch styles—size up in rigid finishes.

3. Floral Puff Sleeve Blouse

Feminine blouse with puff shoulders and a relaxed hem.

➡️ Fit tip: True to size—may feel snug at the upper arm.

4. Tiered Maxi Dress

Flowing and flattering—great for everyday styling or events.

➡️ Fit tip: Waist is flexible—use Tellar for bust vs length alignment.

5. Per Una Tailored Blazer

Smart enough for work, soft enough for weekend layering.

➡️ Fit tip: Slim in shoulder and sleeve—size up for comfort if broad-shouldered.

Common Fit Complaints (And How Tellar Fixes Them)

❌ “The dress fit my waist but was tight in the bust.”

Tellar maps your bust-to-waist ratio and matches it to actual garment specs.

❌ “My usual UK 12 didn’t fit in the jeans.”

Tellar recognises fabric differences, like stretch vs rigid denim.

❌ “I ordered a Petite but it was still too long in the sleeve.”

Tellar factors in torso and arm length, especially for Petite shoppers.

Why Use Tellar Before Buying Per Una?

Per Una may be part of M&S—but its unique cuts, sleeve styles and waist detail can easily catch you off guard. Tellar.co.uk is your personal fit assistant for Per Una and thousands of other brands, helping you:

✅ Find your exact size in dresses, jeans, blouses and tailoring
✅ Compare Per Una to Phase Eight, Next, M&S, Nobody’s Child & more
✅ Receive a free soft tape measure in the post
✅ Know your Petite, Regular or Long size instantly
✅ It’s always free to use—no subscriptions, no gimmicks

🎯 Create your Tellar profile now

Related Sizing Guides from Tellar

Marks & Spencer Sizing Explained
Next Fit Guide
Nobody’s Child Sizing Breakdown
Reformation Sizing Tips
How to Measure Yourself for UK Fashion

Follow Tellar for Ongoing High-Street Fit Help

We post weekly Per Una and M&S styling tips, size updates, and seasonal fit comparisons.

Final Thoughts: Per Una Sizing Is Feminine and Flattering—But Structure Varies by Style

Per Una consistently offers elegant, wearable pieces for all ages—but the mix of tailoring, elastic, and relaxed silhouettes means you’ll want to double-check sizing per item. Dresses often fit smaller in the bust, and jeans vary depending on fabric structure.

Let Tellar.co.uk remove the uncertainty. With your personal fit profile, we match your exact measurements to Per Una (and thousands of brands). Whether you’re petite, tall, curvy or in-between—we’ve got your size covered.

“Find your size in thousands of brands. It’s free & easy.”

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