What Is Sizing Like at ASOS Weekend?

By Ella Blake — Fashion Stylist | Tellar Fashion Hub

Right, let me tell you about the first time I ordered from ASOS Weekend Collective. I grabbed a hoodie in my usual size — a UK 10 — convinced I knew what I was doing after years of shopping ASOS. It arrived and I genuinely thought they'd sent me my boyfriend's order. It was enormous. Like, tent enormous. I have since learned my lesson, and I'm here to save you from the same fate.

ASOS Weekend is ASOS's off-duty, casual sub-label — the one that leans into relaxed loungewear, heavyweight cotton hoodies, joggers, oversized tees, and that whole effortless off-duty aesthetic. It's brilliant for exactly that. But the sizing? It does not behave like regular ASOS Design. Here's everything you need to know before you add to cart.

How ASOS Weekend Sizing Differs from Mainline ASOS

This is the key thing to understand: ASOS Weekend is intentionally cut loose and oversized. That's the design intention, not a fault. However, "oversized by design" combined with very generous grading means that your usual ASOS size is almost certainly going to be too big — even if the garment is supposed to be relaxed.

Here's what I've found consistently across the range:

Hoodies and sweatshirts: Size down one — sometimes two. The boxy cut and dropped shoulders mean your regular size swamps you.
Oversized tees and long-sleeve tops: Size down one. Even "oversized" styles look proportional a size smaller.
Joggers and lounge trousers: Waistbands are adjustable and forgiving, so you can often go true to size. But the leg and thigh area is very roomy.
Co-ord sets: Treat each piece separately — you may size down in the top but want your regular size in the bottoms.
Zip-through jackets and utility pieces: If you want a snug layer, size down. If you're layering underneath a lot, true to size works.

Is ASOS Weekend True to Size?

Not exactly — and I say that as a gentle warning, not a criticism. The labelled measurements on size charts are broadly in line with standard ASOS sizing, but the cuts are consistently roomier than the numbers suggest. Many customers (myself included) find that sizing down gives a far more flattering and proportional result, even when the "oversized" silhouette is what you're going for.

The brand has made deliberate choices around boxy hems, dropped shoulders, and relaxed sleeves, which means even a size that technically fits your measurements can look shapeless if you're not careful. A size down keeps the intentional ease whilst still giving you a shape.

My general rule: go down one size across most ASOS Weekend tops and outerwear, and check the inseam carefully on bottoms if you're petite.

Petite, Tall and Curve in ASOS Weekend

This is where it gets trickier. ASOS Weekend's range is somewhat limited compared to main ASOS Design when it comes to inclusive fits. At the time of writing:

Petite options within ASOS Weekend specifically are sparse — you're largely working with the main range and potentially hemming or rolling cuffs.
Tall options are similarly limited, though some styles suit taller frames naturally given the oversized proportions.
Curve/plus sizing is available on select ASOS Weekend pieces, but the range is narrower than ASOS mainline. Always check the specific product listing.

If you're between ranges, I'd always recommend using Tellar's free size lookup tool to cross-reference how ASOS Weekend sizing compares to other brands you know and love — it takes the guesswork out entirely.

Fabric and Fit: What to Expect

One thing I genuinely love about ASOS Weekend is the fabric quality — it's a step up from fast-fashion basics. You're often looking at heavyweight French terry, brushed fleece, and thick cotton jersey. The upside of this is a more premium feel; the slight downside is that thicker fabrics add bulk, which reinforces my sizing-down advice.

Heavyweight fleece hoodies: Dense and warm — size down and they're brilliant. Stay true to size and you'll be swimming.
Cotton jersey tees: Better quality than standard ASOS — slightly less prone to shrinkage, but still measure up first.
Ribbed pieces: These do have stretch, so you can often go true to size or even up depending on how fitted you want the look.

How to Get Your Size Right at ASOS Weekend

My tried and tested approach for shopping ASOS Weekend without a returns disaster:

Check the Tellar how-to-measure guide to make sure your bust, waist and hip measurements are up to date — it takes two minutes.
Look at the customer fit ratings on each individual product page — ASOS shoppers rate whether items run large, small, or true to size, and ASOS Weekend items almost universally flag as "runs large."
When in doubt, size down. You will rarely regret it with this label.
For co-ords, always measure both pieces against the size chart individually.

MORE SIZING GUIDES YOU MIGHT FIND USEFUL:

Similar Brands to ASOS Weekend — And How to Size in Them

If ASOS Weekend's sizing is giving you grief, or you just want to explore similar relaxed, casual aesthetics, here are my recommendations across different price tiers. I've picked these based on aesthetic alignment — that same off-duty, effortlessly cool energy — rather than just listing obvious alternatives.

HIGH STREET

Monki — brilliant for oversized basics, generally true to size and more consistent than ASOS Weekend
Weekday — similar relaxed, Scandi-cool aesthetic with cleaner sizing conventions
Pull&Bear — great lounge and casual pieces at budget-friendly prices; tends to run true to size
Bershka — streetwear-adjacent casual pieces; sizing leans small so size up
Urban Outfitters — strong hoodies and sweat sets; size up if you're between sizes, they can run slightly small in body
New Look — surprisingly good lounge and casual basics; reliable, consistent sizing
Primark — unbeatable on price for casual loungewear; true to size and easy to find in store

PREMIUM

COS — the gold standard for relaxed, quality basics; cut-and-sew minimalism with excellent size consistency
Arket — considered, quality casual pieces with very true-to-size sizing and brilliant fabric longevity

LUXURY / DESIGNER

Toteme — effortless off-duty dressing at its most elevated; relaxed cuts that are designed to feel undone without looking sloppy
Sporty & Rich — if you love ASOS Weekend's athletic-meets-casual energy, this is the premium version; sizing is US-based so check conversions

Two Independent Brands Worth Knowing

I always like to flag a couple of under-the-radar picks because frankly the high street doesn't have a monopoly on good casual basics:

Colorful Standard — a Copenhagen-based label making beautifully pigment-dyed organic cotton sweatshirts and tees in a huge range of colourways. The quality is exceptional for the price and sizing is very consistent (true-to-size, with a natural relaxed fit). I've been obsessed with them for years.
Asket — Swedish minimalist basics brand with an almost forensic approach to fit. They offer multiple length options within sizes, which is genuinely brilliant if you're petite or tall. Invest in one of their heavyweight tees and you'll retire your ASOS Weekend order history.

Stop Guessing. Start Knowing Your Size.

Tellar is the UK's free clothing size tool, covering 1,500+ brands including ASOS Weekend, Weekday, COS, Arket and hundreds more. Enter your measurements once and instantly see which size fits you — across every label you love.

Find My Size — It's Free Visit Tellar.co.uk

My Final Take on ASOS Weekend Sizing

ASOS Weekend is genuinely one of my favourite places to shop for off-duty basics — when I order the right size, that is. The brand has improved its fabric quality noticeably over the past couple of years and the aesthetic is exactly right for that effortless, casual wardrobe core. But it is a label that rewards a little sizing know-how.

The golden rule: size down from your usual ASOS size, check the individual product fit ratings, and measure yourself before you order if you're at all unsure. Do that, and you'll be absolutely fine.

And if you want to cross-reference your size across ASOS Weekend and any of the alternatives I've mentioned above, Tellar's free size lookup tool will do it in seconds — no faff, no subscription, no nonsense.