How to Tell If Wool Is Good Quality (Before You Buy)

Good quality wool feels completely different from poor quality wool — and once you know how to spot the difference, you'll never be fooled by a label again. I've made some fairly expensive mistakes over the years, including a "cashmere" jumper from a flash sale that started pilling before I'd even worn it twice. It was absolutely gutting. So let me save you the heartache with everything I've learnt, both from working in fashion and from some genuinely costly errors.

Start With the Label — But Don't Stop There

The label is your first clue, but it can also be your first red flag. Here's what to look for:

100% wool or a named fibre like Merino, Cashmere, Lambswool, Shetland, or Alpaca is a positive sign
Phrases like "wool-rich" or "wool blend" without percentages listed are worth querying — it could be 20% wool and 80% acrylic
A high wool percentage (75% and above) generally signals better quality and longevity
Look for certifications like The Woolmark, which guarantees the fibre meets specific quality standards

That said, the label is just the starting point. The real test happens when you actually touch the thing.

The Touch Test: Your Most Reliable Tool

This is the one I always come back to, and it genuinely never lies. Run the fabric against the inside of your wrist — it's more sensitive than your palm. Quality wool, particularly fine Merino or cashmere, should feel immediately soft and slightly warm. It should not scratch, prickle, or irritate your skin within the first few seconds. If it does, that's either a low-grade fibre or it's been blended with coarser material.

Cashmere deserves special mention here — the real stuff should feel almost buttery. If a cashmere jumper feels scratchy at all, I'd walk away. The micron count (the thickness of the fibre) matters enormously: finer microns mean softer handle. Premium cashmere sits under 16 microns. You won't find that information on every label, but if a brand is proud of it, they'll shout about it.

The Scrunch and Release Test

Grab a handful of the fabric, scrunch it tightly in your fist, hold for five seconds, then release. Watch what happens:

High quality wool will spring back to its original shape almost immediately — this is natural crimp in the fibre doing its job
Lower quality wool or heavy blends will stay creased or take much longer to recover
If it looks permanently crumpled after a five-second scrunch, it's not going to last well through regular wear and washing

Look at the Weave

Hold the piece up to natural light and take a proper look at the construction. A well-made wool piece should have:

A tight, even weave or knit with no thin patches or uneven areas
No visible loose threads or pilling already present (a piece that's pilling on the hanger is a disaster waiting to happen)
Consistent colour throughout — blotchy dyeing often indicates lower-grade processing

A loose, open weave isn't necessarily bad — plenty of beautiful bouclé or chunky knits are intentionally open — but in those cases, the individual fibres themselves should still feel substantial and springy, not flimsy.

Weight Tells You a Lot

Lift the garment. Quality wool has a satisfying, honest weight to it. If a jumper feels suspiciously light, it's often been blended down with cheaper synthetics to cut costs. That said, this isn't a hard rule — lightweight Merino knits are deliberately fine — but in those cases the handle should be exceptionally soft to compensate.

Where to Shop: Our Honest Brand Recommendations

Once you know what you're feeling for, here's where I'd genuinely point you depending on your budget:

High Street: Cos consistently delivers clean, understated knitwear with decent wool content — always check the label but their 100% wool styles are excellent value. Whistles does beautiful Merino and lambswool styles, particularly in autumn. Mango has stepped up its wool offering considerably in recent seasons — their wool-blend blazers and cardigans are a solid buy. Massimo Dutti is arguably the most wool-generous on the high street; their knitwear quality regularly rivals brands twice the price. Jigsaw is my personal go-to for reliable lambswool at a fair price point. M&S does a genuinely good pure wool range — their Shetland-style jumpers in particular hold their shape brilliantly. Reiss is worth a visit for more polished wool tailoring pieces, especially outerwear.

Premium: Me&Em sources beautifully and is extremely transparent about their wool content — highly recommended. Hush offers some lovely relaxed knits in real wool at a premium but not eye-watering price point.

Luxury/Designer: Max Mara is the gold standard for wool outerwear — their camel coats are worth every penny and age extraordinarily well. For cashmere specifically, Johnstons of Elgin (a Scottish mill with over 200 years of heritage) is exceptional — their scarves and knitwear are the real deal.

Independent finds: Carrier Company, a Norfolk-based brand, makes incredible British wool workwear-inspired pieces that last decades. And Colchester Cashmere is a tiny, family-run brand producing genuinely traceable cashmere that's a world away from the fast fashion knockoffs.

The Price Reality Check

I'll be honest with you: genuinely good wool costs money. Merino fleece, responsible farming, and careful processing all come at a price. A £25 "cashmere" jumper is almost certainly not what it claims to be — the raw fibre alone costs more than that. That doesn't mean you need to spend a fortune, but if a price feels too good to be true on a luxury fibre, it usually is. Your best value sweet spot is often the high street brands listed above, where the labelling is honest and the price is fair.

Never Buy the Wrong Size Again — Try Tellar

Now you know how to spot quality wool, the next challenge is finding your perfect size in it — because sizing varies wildly between brands. A size 12 in Cos knits completely differently to a size 12 in Massimo Dutti, and getting that wrong on a wool piece you can't easily return is frustrating.

That's exactly why Tellar.co.uk exists. Tellar is the UK's leading sizing tool — it instantly matches your body measurements to over 1,500 brands, so you get your precise size before you buy. No more guessing, no more size guides, no more returns.

Measure once using your bust, waist, hip, or an existing brand size you trust
Use the Store Size Lookup tool to get your exact size across brands like COS, Reiss, Jigsaw, Me&Em and hundreds more
Always free — no app download, works straight in your browser

And while you're there, explore the Tellar Fashion Hub — a free library of honest, unbiased style guides written by real stylists. No sponsored content, no brand bias, just genuinely useful advice.

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Honest. Unbiased. Independent. Always free. Visit tellar.co.uk today.