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Down Under Deluxe 100% Mulberry Silk Filled Duvet

Deluxe Mulberry Silk Duvet — Heavyweight Silk Warmth for Fall & Winter

Quick answer: A heavyweight duvet filled with 100% natural long-strand mulberry silk in a 300 thread count pure cotton shell. It delivers cozy fall/winter warmth while still breathing and regulating temperature — so even warm sleepers stay comfortable, not sweaty. Has 8 tie grips (4 corner + 4 side) and box-stitch construction.

This is the heavier sibling of our Lightweight Mulberry Silk Duvet — same temperature-regulating silk, more fill for colder months.

WHO THIS IS FOR:

  • People who run warm but still want real winter warmth
  • Night-sweat sufferers who overheat under down
  • Allergy sufferers wanting hypoallergenic, dust-mite-resistant bedding

SPECIFICATIONS:

Detail Specification
Fill 100% Natural Long-Strand Mulberry Silk
Shell 300 TC 100% Pure Cotton
Weight class Heavyweight (fall / winter)
Ties 8 grips (4 corner + 4 side)
Construction Box stitch
Care Dry clean only; do not machine wash
Origin Made in China

SIZES & FILL WEIGHTS:

Size Dimensions Fill
Twin 88" × 64" 69 oz
Double 88" × 78" 84 oz
Queen 88" × 90" 89 oz
King 90" × 102" 105 oz
Cal/Super King 100" × 110" 125 oz

FREQUENTLY ASKED QUESTIONS

Is silk warm enough for winter?
Yes — this heavyweight silk duvet insulates for cold months while still wicking moisture, so you stay warm without overheating.

How is this different from the lightweight silk duvet?
More silk fill for greater warmth. Choose this for fall/winter, or the lightweight version for spring/summer.

Will the duvet shift inside the cover?
No — 8 tie grips (4 corner + 4 side) lock it to your cover.

How do I care for it?
Dry clean only; use a duvet cover and air it out periodically.

WHY DOWN UNDER BEDDING?
Canada's trusted source for premium natural bedding for 30+ years. Free shipping across Canada.

Size: Twin

3 items left

Product Description
Reviews

Customer Reviews

Based on 14 reviews
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Victoria Waller
Mulberry silk duvet - all season thicker one

We chose the thicker all-season silk duvet. Compared to the down duvet we had before, it is much thinner, but still quite warm. It doesn’t have any odor, it doesn’t bunch up inside the duvet cover, and so far we are happy with it.

Hi Victoria, we're so glad to hear you're happy with your all-season silk duvet! Thanks for sharing your experience to help other customers. Anybody reading this, here's a link to our sleep blog for tips on how to sleep better and exclusive offers!

https://downunderbedding.com/blogs/news

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Logan R
Best Comforter Ever

Have been using mine for years. Incredibly warm for how thin and lightweight it is, material of outer shell is so soft and comfortable. Super breathable and temperature regulating. I use it year-round. Great for hot sleepers.
Even though you aren’t supposed to for best results, I have machine washed this many times. It held up quite well with the lining only bunching up slightly over time. I don’t recommend washing in a machine with an agitator, as the last time I did it sadly caused the silk to bunch quite badly. Best to wash on gentle cycle with a front loader. Great investment, quality product affordable luxury.

Thank you so much for taking the time to share your experience with our silk duvet. It means a lot to a small Canadian brand like Down Under Bedding, and feedback like yours helps other customers choose the right sleep solution.

If you or anyone you know is interested in exploring more options, here is the main Mulberry Silk Duvet collection page with our different silk duvet styles and weights: https://downunderbedding.com/collections/silk-duvets

This landing page includes both our lightweight and deluxe 100% mulberry silk duvets so you can compare what will work best for your sleep and bedroom setup.

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Loretta Kaskey
Great weight and breathable

This works well for our northern California weather.
Just change the duvet cover and can go from a winter to summer feel.

Hi Loretta - Thank you for your authentic and honest review.
I've been personally sleeping with this same silk blanket especially in the summer and Springtime and it's so soft and Light and wonderful but I do prefer to use my warmer down filled ones in the winter

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Lynn Jasechko
Exactly what I needed

Silk duvet is amazing as anticipated. Light and warm at the same time. Does not move around in the duvet cover even with being secured. The wool-filled pillow is what I have been looking for. Firm but not bouncy, and cool to sleep on. Woke up one night not on the wool pillow, and the difference was amazing. Delivery was quick, and the box even came with a personal note.

Thank You Lynn - Your feedback is important to let other customers decide too.
Can you give us a Google review.
Here is the link:
https://bit.ly/3vz6L22

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Susan Montgomery
Best ever summer-time bedding

Totally the only bedding to use in summer! Sent my new one to family in Australia!
Have just washed the ones we have used this summer - so easy to care for and unbelievably comfortable in a wide range of temperatures throughout summer.

Thank You Susan - Your feedback is important to let other customers decide. I also use the same Silk duvet in the Summertime.
Can you do us a favor please? Can you give us a Google review.
Here is the link:
https://bit.ly/3vz6L22