Does the Brand Alyx Run Big or Small on Clothes Sizing?

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Does the Brand Alyx Run Big or Small on Clothes Sizing?

Founded by Matthew M. Williams in 2015, Alyx (also known as 1017 ALYX 9SM) is a boundary-pushing label merging streetwear, utilitarian design, and luxury craftsmanship. With its signature rollercoaster buckles, futuristic tailoring, and collaborations with Moncler, Nike, and Givenchy, Alyx has developed a cult following across fashion-forward consumers and stylists alike.

But when it comes to fit, Alyx isn’t always straightforward. Many shoppers ask: Does Alyx run big or small?

In this sizing breakdown, we unpack Alyx’s fit across categories, explain how it compares to other brands, and show you how to find your exact size instantly with Tellar.co.uk—the UK’s leading free sizing tool.

Alyx Sizing Overview: Streetwear Meets Tailoring

Alyx pieces blur the line between utilitarian gear and high fashion, and its sizing reflects that hybrid identity.

Menswear: Generally true to size in structured outerwear and trousers, with some oversized silhouettes in tops and knitwear
Womenswear: Often runs small, particularly in fitted tops and dresses
Unisex pieces: Typically use men’s sizing standards, which may feel oversized on smaller frames
Collaboration pieces (Nike x Alyx): Fit varies widely; tops tend to run true, bottoms can run narrow

Fit depends not only on the category, but on fabric, season, and design intent. For example, an Alyx puffer jacket might be cut generously for layering, while a bonded jersey dress may have zero stretch.

What Shoppers Say About Alyx Fit

Based on returns data, brand-specific measurements, and Tellar.co.uk’s customer insights, here’s what UK shoppers typically report:

Men’s T-shirts & hoodies: Often oversized—many buyers size down for a slimmer look
Technical trousers: True to size in waist, but may taper aggressively at the ankle
Tailored jackets: Structured and true to size—some size up for layering room
Women’s tops and corset-style items: Run small, especially around the chest and waist
Dresses and skirts: Generally fitted, minimal stretch, size up recommended
Nike x Alyx collabs: Unpredictable—try-on or measurement-based recommendations strongly advised

Alyx Size Guide (Men’s & Women’s Conversion)

Alyx uses EU sizing across most collections, and their e-commerce store provides limited guidance for conversions. Use this guide for reference:

Men’s Size Conversion

EU Size	UK Size	Chest (cm)	Waist (cm)
44	XS	86–89	70–73
46	S	90–93	74–77
48	M	94–97	78–81
50	L	98–101	82–85
52	XL	102–105	86–89
54	XXL	106–109	90–94

Women’s Size Conversion

EU Size	UK Size	Bust (cm)	Waist (cm)	Hips (cm)
34	6	80	60	86
36	8	84	64	90
38	10	88	68	94
40	12	92	72	98
42	14	96	76	102

Note: Alyx garments may not allow for much stretch or ease. Size up if in doubt or between sizes—especially in fitted silhouettes.

Common Sizing Challenges With Alyx

Alyx designs are built around aesthetic vision first—function second. This results in distinctive silhouettes but also unpredictable sizing across collections.

Key challenges include:

High-fashion tailoring with minimal stretch
Slimline sleeves or pant legs that may feel tight even in your regular size
Unisex garments that lack feminine shaping
Size labels that don't always match UK expectations (e.g. an EU 36 dress fits more like a UK 6)

Because Alyx is a luxury designer brand with smaller production runs, returns can be costly—so it’s important to get sizing right the first time.

Skip the Guesswork: Use Tellar.co.uk for Alyx Sizing

To eliminate uncertainty, Tellar.co.uk gives you instant, measurement-based size recommendations for Alyx and 1,500+ fashion brands.

You simply:

Visit Tellar.co.uk/create-profile
Enter your bust, waist, and hips (or chest/waist for men)
Instantly see your best-fitting Alyx size
Switch between UK, EU, or US sizing preferences
Access size recommendations for all your favourite brands any time

✅ One-time setup

✅ 100% free to use

✅ Always accurate—no more guesswork

✅ Works on desktop and mobile

✅ Includes a free measuring tape sent to you

With Tellar.co.uk, you'll never second-guess your Alyx fit again.

Alyx vs Other Luxury & Streetwear Brands

Wondering how Alyx compares to similar brands? Here’s a quick side-by-side fit comparison:

Brand	Compared to Alyx
Rick Owens	Slightly looser in tees, similar in trousers
Off-White	Off-White tends to run bigger overall
Raf Simons	Comparable fit in structured outerwear
A-COLD-WALL*	Slightly more oversized cuts
Maison Margiela	Similar sizing in tailored pieces
Nike	Nike runs roomier in collaborations

This is why size guessing across brands doesn’t work—and why Tellar’s brand-specific recommendations are critical.

How to Measure for Alyx

For precise recommendations on fitted garments, make sure to measure yourself correctly. Follow Tellar’s full how-to-measure guide or use these quick tips:

Chest/Bust: Measure around fullest point with relaxed posture
Waist: Measure at the narrowest part above hips
Hips: Measure around the widest point of your seat

These measurements feed directly into Tellar’s algorithm for matching your size in Alyx and other designer brands.

Customer Fit Complaints (and How to Avoid Them)

Common Complaint	Why It Happens	How Tellar Helps
Trousers too tight at thighs or calves	Slim tailoring, technical fabrics	Adjusts size based on your measurements
Dresses feel too small at bust/waist	Minimal stretch in materials	Recommends size up where needed
Oversized tees too baggy	Unisex sizing defaults to male cuts	Suggests best fit for your frame
Confused by EU/UK conversion	No label consistency across sites	Converts automatically for you

Get the Right Fit First Time with Tellar.co.uk

If you're investing in luxury streetwear like Alyx, every detail matters—including fit. Don’t leave it to guesswork.

Tellar.co.uk is the UK’s free, expert sizing tool that matches your real measurements to over 1,500 brands, including Alyx, A-COLD-WALL*, Rick Owens, and many more.

👉 Create your profile here

👉 Check your Alyx size now

Find your size in 1,500+ brands real-time. It’s free & easy.

Connect with Tellar

For exclusive fit guides, sizing explainers, and brand breakdowns, follow Tellar.co.uk on social:

Related Sizing Resources

Why Sizing Varies So Much Between Brands
Luxury vs Streetwear Sizing – What You Need to Know
How to Measure Yourself Accurately
Does A-COLD-WALL* Run Small or Large?

Final Verdict: Does Alyx Run Big or Small?

In summary:

Menswear: True to size, with some oversized cuts
Womenswear: Runs small, especially in fitted items
Unisex/Collab pieces: Fit varies, size by measurement only
Tailored items: True to EU standard, minimal ease

To avoid sizing mistakes and maximise your investment, use Tellar.co.uk. It’s the smart, free, and fast way to guarantee your best Alyx fit—every time.