Best silk duvets
A silk filled duvet is warm for very little weight, and it cannot be washed, which decides who should buy one.
I earn a commission if you buy through some links on this page. It never changes what I recommend, and I publish negative verdicts on brands I earn from. Editorial independence.
Two different products
A silk filled duvet contains mulberry silk floss as the fill. That is the real product.
A duvet with a silk or silky cover is a synthetic or down duvet in a smooth casing, and eucalyptus silk and bamboo silk are not silk at all: those names describe a handle, not a content.
What a genuine silk filled duvet does well is warmth for very little weight, with a drapey quality that follows the body rather than sitting on it. Weight is a large part of why a duvet feels oppressive, so that is a real benefit.
What it does badly is washing. Silk filled duvets generally cannot be machine washed, and that single fact rules them out of a lot of households.
The picks
The pick, if you want one answer
Scooms, 8.0 / 10. High fill power down, which achieves the same warmth-for-weight argument with far wider availability.
| Product | Best for | From | Score |
|---|---|---|---|
| Scooms | Best for warmth without weight | Premium | 8.0 / 10 |
| Simba Hybrid 3-in-1 Duvet | Best practical alternative | Mid range | 7.8 / 10 |
| Panda Cloud Bamboo Duvet | Best for moisture handling | Mid range | 7.4 / 10 |
| Night Lark | Best if washing matters most | Budget to mid | 7.6 / 10 |
Scooms: Best for warmth without weight
Premium · 8.0 / 10
The highest scoring duvet on this site at 8.0. High fill power down traps more air per gram, which is the same argument silk makes and with a far wider choice of togs and sizes in the UK.
Buy it if
You want the lightest warm duvet and washing is not the priority.
Do not buy it if
Anyone in the house has a down allergy.
Simba Hybrid 3-in-1 Duvet: Best practical alternative
Mid range · 7.8 / 10
Scores 7.8. Two duvets that pop together, and the practical advantage that decides most households: each half fits a domestic washing machine, where a single heavy duvet frequently does not.
Buy it if
You want light summer warmth and proper winter warmth, both washable.
Do not buy it if
You want the specific drape of a natural filled duvet.
Read the full Simba Hybrid 3-in-1 Duvet review
Panda Cloud Bamboo Duvet: Best for moisture handling
Mid range · 7.4 / 10
Scores 7.4. Moisture management rather than temperature, which is the property most people actually need and the one silk is frequently credited with beyond what it delivers.
Buy it if
You wake up damp rather than hot.
Do not buy it if
You want maximum loft.
Read the full Panda Cloud Bamboo Duvet review
Night Lark: Best if washing matters most
Budget to mid · 7.6 / 10
Scores 7.6. The opposite proposition to silk in every respect: straight into the machine, no cover needed. Confirm the stated temperature is 60, because that is what kills dust mites.
Buy it if
Someone in the house needs bedding washed hot and often.
Do not buy it if
You want a natural fill.
Read the full Night Lark review
What silk fill is, and what to check
Silk filled duvets use mulberry silk floss, layered rather than stuffed, which is why they sit flat and drape rather than lofting like down.
Three things to check, and most sellers state none of them.
Long strand or short strand. Long strand floss holds together and resists clumping; short strand is cheaper and migrates. This is the main quality difference.
Fill weight in grams. Silk duvets are rated by fill weight more often than by tog, and without it you cannot compare two duvets at all.
Whether the fill is silk at all. Some duvets described as silk are silk-covered with a polyester fill, which is a completely different product at a similar price.
Why silk duvets are not always rated in tog
Tog measures thermal resistance and is the standard UK measure. Silk duvets are frequently sold by fill weight instead, which makes them hard to compare against everything else on the bed.
Where a tog is given, the usual guidance still applies: 7 to 10.5 tog suits most modern UK bedrooms year round, and 13.5 is a convention from draughtier housing.
Where only a fill weight is given, ask the seller for the tog equivalent. If they cannot provide one, you are buying a duvet you cannot compare with any other duvet, which is a poor position at this price.
The washing problem, which decides it
Generally not machine washable
Silk filled duvets are usually surface clean or specialist clean only. Machine washing mats the fill, and heat damages protein fibre.
Two consequences follow.
You need a protector. A washable duvet protector under the cover is what keeps the fill clean, and it becomes essential rather than optional.
It is the wrong choice in an allergy household. Dust mites survive a 40 degree wash and 60 kills them, and a duvet that cannot be washed at all accumulates allergen in the fill for years. Allergen collects in the fill, not in the cover.
Air it regularly instead, out of direct sunlight, which is how silk bedding is maintained rather than cleaned.
Where the money is better spent
A silk duvet is a large sum for a benefit concentrated in weight and drape.
High fill power down achieves the same warmth-for-weight argument, with more sizes, more togs and wider availability in the UK.
A cotton percale or lyocell duvet cover changes how the bed feels against your skin far more than the fill does, because the cover is the layer you actually touch.
The right tog does more for temperature than any fibre. If you wake up hot under 13.5 tog, that is the fix and it costs a fraction as much.
What not to buy
Anything described as silk that costs less than a good down duvet. Check whether the fill is silk or only the cover.
A silk duvet in an allergy household. It cannot be washed at 60 degrees.
A silk duvet with no fill weight or tog stated. You cannot compare it with anything.
Short strand silk fill, which migrates and clumps.
A silk duvet without a washable protector. The fill is the part you cannot clean.
Also considered, and why they are not here
A roundup is only as useful as what it leaves out, so here is what was assessed and rejected for this list.
| Product | Why it is not on the list |
|---|---|
| Simba Duvet | Scores 7.4. Synthetic, heavier for the same warmth, and washable hot, which is the trade that decides most households. |
| Emma Cloud Duvet | Scores 6.9. Comfortable and priced above what the specification justifies against the alternatives here. |
| Aeyla Eucalyptus Sheet Set | Bedding rather than a duvet, and the clearest example of the naming point: eucalyptus silk is lyocell, and the word silk describes the handle. |
| The Fine Bedding Company Pillows | Pillows rather than duvets, and the same principle: in an allergy household, washable at 60 degrees beats every other property. |
How this list is made, and who made it
Independence
No brand pays to appear on this site and no placement is sold. Some links earn a commission if you buy, which never changes a score, an order or a verdict. Several of the lowest scores here are on products that carry commission, and several recommendations carry none.
Who writes this. Kyle Klinkradt has worked in the mattress and bedding industry for over ten years across retail, distribution and brand partnerships, and has handled, sold or assessed products from every major UK bed-in-a-box brand. Every review on this site is written by one person, so the scores mean the same thing from page to page.
What the assessment is. Construction specifications against what they physically do: spring height and where in the mattress it sits, spring count for the size, gauge, whether the base is sprung or foam, foam density where it is published, comfort layer depth and material. Then the commercial terms that decide what you are actually buying: trial against returns policy, guarantee length against the company's UK trading history at Companies House, and the regulatory record.
What it is not. This is not a laboratory. I do not publish pressure-mapping data or claim to have slept eight years on every mattress here, because nobody has and pages that imply otherwise are not telling you the truth. Where a judgement rests on construction rather than long-term use, the review says so.
What gets a product removed. Leaving the UK market, a specification change that makes the review inaccurate, or a corrected fact. Brands that have withdrawn are kept on the site with the score removed rather than quietly deleted, because people still search for them.
See editorial independence, corrections and the author page.
How these were chosen
Every product here has its own review on this site with a score out of 10, and the score is a judgement rather than an average. Nothing appears in a list because it pays more.
A score is against the market, not against its own range. The cheapest mattress in a lineup is usually priced to make the model above it look reasonable, and the flagship of a budget range has risen into a bracket where better brands compete. Both are judged against what else you could buy for the money.
Everything listed can actually be bought in the UK. That is not a given: Casper withdrew in July 2020 and Leesa no longer sells here, and both still appear in current British roundups with affiliate links attached.
I do not pad the list. Where only three or four products genuinely qualify, there are three or four. A list of seven when the category contains four good ones is a list with three bad recommendations in it.
Prices move constantly. Judge the cash price on the day rather than any percentage beside it. See every review on this site or where the real savings are.
Questions people ask
What is a silk duvet?
One filled with mulberry silk floss, layered rather than stuffed, which is why it drapes rather than lofting. A duvet with a silk or silky cover is a different product, and eucalyptus silk and bamboo silk are not silk at all.
Are silk duvets warm?
They are warm for very little weight, which is their genuine advantage, because weight is a large part of why a duvet feels oppressive. High fill power down makes the same argument with wider availability in the UK.
Can you wash a silk duvet?
Generally not in a machine. Washing mats the fill and heat damages protein fibre, so they are usually surface clean or specialist clean only. Use a washable duvet protector and air it regularly out of direct sunlight.
Are silk duvets good for allergies?
No. Dust mites survive a 40 degree wash and 60 kills them, and a duvet that cannot be washed at all accumulates allergen in the fill for years, since allergen collects in the fill rather than the cover.