What Denier Tights Do You Need? The Complete Denier Guide
Quick answer: Denier measures the thickness of the yarn in tights. The lower the number, the sheerer the tight: 7–20 denier is sheer, 30–60 is semi-opaque, 80+ is fully opaque, and 200 denier or thermal tights are for winter. For everyday winter wear in the UK, 80–200 denier is the sweet spot.
What does denier actually mean?
Denier is the weight in grams of 9,000 metres of the yarn used to knit the tight. In practice it tells you how sheer or opaque — and how warm — a pair of tights will be. It is the single most useful number on any tights packaging.
Denier guide at a glance
| Denier | Look | Best for |
|---|---|---|
| 5–10 | Barely-there sheer | Summer occasions, a natural “no tights” look |
| 15–20 | Classic sheer | Office wear, spring/autumn, everyday elegance |
| 30–60 | Semi-opaque | Transitional weather, soft colour without full coverage |
| 80–100 | Opaque | Everyday autumn/winter, solid colour |
| 200 / thermal | Fully opaque, fleece-feel | Cold snaps, outdoor days, maximum warmth |
What denier tights for winter?
Go for at least 80 denier — our 80 denier opaques are the everyday winter staple. For real cold, choose 200 denier micro tights or thermal hosiery, which trap warmth like leggings while keeping a tights silhouette.
What denier tights for the office?
15–20 denier is the classic professional sheer — see our premium 20 denier tights. If your office is cold or you prefer more coverage, 40–60 denier semi-opaques read just as polished.
Does higher denier mean better quality?
No — denier measures thickness, not quality. Quality shows in the knit, the waistband, reinforced toes and fibre content (look for elastane for stretch and recovery). A well-made 15 denier can outlast a cheap 80 denier.
FAQs
Are 40 denier tights see-through?
Slightly — 40 denier shows a hint of skin in bright light. For a fully solid black leg, choose 80 denier or above.
What denier are fishnet tights?
Fishnets aren't measured by denier in the same way — the open knit defines the look. Browse our fishnet collection for classic and wide-net styles.
Which denier is warmest?
The higher the denier, the warmer the tight; 200 denier and thermal styles are the warmest we stock. Explore the full Fashion Tights collection — free delivery worldwide, no minimum spend.
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