ASOS is one of the UK’s leading online fashion platforms, offering hundreds of sub-labels, edits and collections tailored to different aesthetics. Among the most popular are ASOS Luxe—their elevated, occasion-ready line—and ASOS Weekend Collective, the off-duty, athleisure-inspired label.

But when it comes to sizing, shoppers often ask:
Does ASOS Luxe run small? Is ASOS Weekend more oversized? Should I size up in either?

This guide breaks down the fit differences between these two ASOS collections and shows you how to find your perfect size using Tellar.co.uk—the UK’s most accurate sizing tool, trusted by thousands of fashion shoppers weekly.

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Quick Summary: What’s the Difference Between ASOS Luxe and ASOS Weekend?

ASOS Luxe

• Designed for eveningwear, going-out looks and premium-feel outfits

• Uses fabrics like satin, taffeta, organza, metallics, corsetry

• Tends to follow a more fitted, structured cut, particularly around the bust and waist

• Dresses often have boning, tight seams, or limited stretch

• Common in sizes UK 4–18, though size 20+ availability varies

ASOS Weekend Collective

• Focuses on casual, oversized streetwear and athleisure

• Often made from jersey, cotton blends, loopback sweat, fleece

• Typically cut with a relaxed or oversized silhouette

• Tracksuits, hoodies and joggers may be unisex in shape

• Available in UK 4–24, often with petite and tall options

So, the same UK size may feel very different depending on whether you’re buying a Luxe corset dress or a Weekend hoodie.

To take the guesswork out of it, use Tellar.co.uk—you can enter your measurements once and instantly see which size will fit best across both collections.

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ASOS Luxe Size Fit Breakdown

From our internal fit data and customer reviews at Tellar.co.uk, here’s what to expect from ASOS Luxe:

• Dresses run small, especially in woven fabrics (e.g. satin, metallics, tulle)

• Corset tops and ruched pieces are often tight in the bust and waist

• Zip placement affects fit—many pieces zip at the side with no stretch

• Trousers and jumpsuits fit narrow at the waist, and sometimes snug at the hips

• Luxe pieces are often designed for an hourglass silhouette, which may affect comfort on athletic or rectangular body types

Most users size up one full size in Luxe fitted dresses. If you’re normally a UK 10 in & Other Stories or H&M, you may need a UK 12 in ASOS Luxe—especially if the fabric has no stretch.

To check precisely:
👉 Get your size for ASOS Luxe

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ASOS Weekend Fit Breakdown

ASOS Weekend is designed to feel laid-back, oversized, and soft. However, “oversized” doesn’t mean you’ll always want your regular size.

Here’s what you’ll typically find:

• Tracksuits and hoodies are cut boxy and wide through the shoulders and torso

• Joggers often have a high waist with elastic, generous through the thigh

• T-shirts are intentionally relaxed, sometimes extending longer in the body

• Petite and tall options do help balance proportions, but the width remains roomy

• Many styles are labelled “oversized fit” or “relaxed cut” in the product title

Most shoppers stick to their true size or size down in ASOS Weekend tops or outerwear for a more flattering silhouette.

Use Tellar’s comparison engine to match your size in similar brands like Weekday or Nike to ASOS Weekend.

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Size Chart: ASOS UK Conversion Overview

This chart works as a reference, but fabric, silhouette, and cut make a big difference—especially between Luxe and Weekend. Use Tellar’s dynamic tool to compare by collection, not just brand.

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Fit Advice from Real UK Shoppers

We analysed thousands of fit ratings and feedback from Tellar users who’ve bought from both ASOS Luxe and Weekend collections:

“The Luxe dress was stunning but way too tight on the waist—Tellar flagged that I should go up and it was bang on.”
“I wear a UK 12 in ASOS usually but needed a 14 in Luxe—no stretch and boning made it a squeeze.”
“Weekend is huge! I got my usual size in a hoodie and it practically covered my thighs. Sized down and preferred the fit.”
“Love that I can save my profile and instantly compare sizing across collections—especially with ASOS which is so varied.”

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How ASOS Luxe & Weekend Compare to Other Brands

If you wear:

• UK 10 in COS or Warehouse – You’ll likely need a UK 12 in ASOS Luxe dresses

• UK 12 in H&M Basics – You’ll get a similar or looser fit in ASOS Weekend

• Medium in Zara Tops – ASOS Weekend Medium may feel oversized; consider Small

Use our size calculator to see where you land across:

• H&M

• Zara

• River Island

• PrettyLittleThing

• Weekday

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One Profile, Every Brand: No More Guessing

Tellar makes it simple:

• Create your profile once (using body measurements or known brand sizes)

• Instantly see your size in ASOS Luxe, ASOS Weekend, and 1,500+ others

• Get real sizing, adjusted for fabric type and fit

• Toggle between CM or IN at any time

• Save your fit history—no need to re-enter next time

See your size across ASOS collections
It’s free, fast, and removes the risk of ordering the wrong size again.

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Related Brand Sizing Guides

Explore other high-street and online brands with similar fit issues:

• Zara Size Guide

• Missguided vs PrettyLittleThing

• H&M Sizing Breakdown

• Weekday Size Guide

• Bershka Fit Tips

You can browse all posts at:
https://www.tellar.co.uk/blog

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Stay Updated on ASOS Fit Changes & Brand Drops

Follow us for real-time fit comparisons, new brand additions and user tips:

• Instagram: @TellarSizing

• Pinterest: TellarUK

• Twitter/X: @Tellar100

• Facebook: Tellar Sizing

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Find your size in 1,500+ brands real-time. It’s free & easy
Start now at Tellar.co.uk