The Best Duvets of 2025 – A Buyer’s Guide
Don't buy a duvet until you read this!
Choosing the right bedding and getting a good night’s sleep relies on three key foundations: Comfort, temperature control, and value for money.
For many people, their current duvet insert, likely filled with down, feather, or synthetic materials, may not be meeting all these needs.
Doctors tell us that deep, healthy sleep requires a cool, comfortable, and breathable sleep environment. A stuffy duvet insert that traps heat and moisture can disrupt your sleep and lead to unpleasant night sweats for some sleepers. Additionally, consider the hypoallergenic properties of your duvet insert. Traditional down and feather fillings can trap allergens and bacteria, potentially causing irritation for allergy sufferers. Unless you wash your bedding very frequently, this can contribute to less restful sleep.
Bamboo viscose duvet inserts have gained popularity in recent years due to their superior comfort, temperature regulation, and hypoallergenic properties. This breathable material allows air to circulate, preventing heat from getting trapped and promoting a cooler, more comfortable sleep experience.
It can be difficult to know which duvet inserts are the best on the market, especially with countless options available. That’s why Cosy Living has compiled months of research about this emerging category. We’ll show you what to look for and what to avoid when picking your perfect duvet insert, and how it can help transform your sleep.
Benefits of Extra Sleep & Rest:
Helps You Maintain Weight[1,2,3]
- Better Energy Control
- Maintain Correct Hormone Levels
Cognitive Health[4]
- Boosts Memory
- Enhances Processing Speed
Cardiovascular Health[5,6]
- Aids Cardiovascular Function
- Helps Maintain Normal Blood Flow
Strong Immune System[7,8]
- Bolsters Immune System
- Helps to fight off illness & infection
What You Need In The Perfect Duvet
Taking all of the healthful attributes listed above into consideration, we've boiled down a list of four key characteristics you should always look for in a great bed duvet. Try to seek out all of these qualities:
The problem with most duvets on the market is that they have little to no temperature regulation and temperature changes.
Heavy, fuzzy duvets can work great during the winter months, but they'll leave you overheated and sweaty the rest of the year.
Bamboo is naturally temperature-regulating, wicking away moisture allowing you to stay cool and dry while snuggling under your duvet. Many duvets are measured by tog, or ‘Thermal Overall Grade’. From 4 to 15, the higher the rating, the warmer the duvet is. Many companies will offer duvets with different tog ratings—make sure to look out for this.
Down Alternative Filling
A fluffy filling is much more comfortable than the classic feather filling, which can poke through the outer layer of the duvet and disrupt your sleep. Down alternative fillings, often made from microfiber or other synthetic materials, provide the plushness of down without the risk of feathers escaping. These fillings are also hypoallergenic, making them ideal for those with sensitivities to natural down. Additionally, down alternative fillings are easier to care for, as they can typically be machine washed and dried, maintaining their loft and comfort over time.
Softness & Comfort
The best duvets don’t scratch and pull at your skin during use. In fact, bamboo viscose duvets are known for their silky soft feel and whisper-quiet performance, ensuring an undisturbed night's rest. The natural smoothness of bamboo fibres makes these duvets exceptionally gentle on the skin, reducing friction and irritation.
Hypoallergenic
Traditional duvets are a breeding ground for allergens and bacteria, attracting dust mites and mould in addition to causing bad odours and stains. Bamboo viscose naturally has hypoallergenic properties and stays fresher for longer between washes (we found that cleanliness lasts about 2x as long compared to other traditional duvets).
What To Avoid When Buying A Duvet
The higher the thread count, the better the bedding, right? Actually, that is false — we were shocked to discover this, too! Thread-count was originally meant to measure cotton sheets and is actually considered to be an outdated form of measurement for gauging bedding quality. Today, the most popular method for measuring sheets and duvets is by GSM, or, grams per square meter.
Higher thread count bedding also mean a tighter weave causing them to lose any benefit of cooling and breathing.
Do any of your blankets say ‘flame retardant’? You might think this is a highlight, but it actually might be doing more harm than good. Studies have shown, both animals and humans exposed to flame retardants (scientifically called polybrominated diphenyl ethers, or PBDEs) can lead to memory and learning issues, thyroid problems, delayed development, lower IQ, and decreased fertility. Some have even been linked to cancer!
It is extremely important to read the labels and scrutinize any product that claims to be flame retardant. Your health may depend on it.
TOP 5 DUVETS OF 2025
Based on our own extensive research, the metrics provided by our Cosy Living Ranking System, and consideration of thousands of reviews submitted by shoppers just like you, we've compiled a list of what we've found to be the Top Five Products in this category, on the market today.
1. Luxury Bamboo Duvet Insert
Total Ranking
476 votes
9.7/10
A+
Overall GradePROS
- Best value and quality for the price
- Size variety
- Multiple Tog ratings available
- Polyester filling
- Durable and easy to clean
- Excellent customer service
CONS
- Only Available Online
The Bottom Line
Cosy House Collection's Luxury Duvet offers an incredible value featuring a soft, comfortable, cooling sleep packed with many healthful benefits. The 100% polyester down alternative filling combined with a natural, temperature-regulating bamboo viscose blend allows for year-round use. Since it’s available in 4.5 tog or 13.5 tog, you can decide how warm you’d like the duvet to keep you. Wake up truly relaxed thanks to hypoallergenic properties that help ensure happy skin and a restful night.
Sleep with peace of mind knowing that your duvet won’t be infested with dirt, dust mites, bacteria, and dead skin (all things that trigger allergies and age your blanket faster).
Their return policy includes a 90-day, risk-free, money-back guarantee, proving the company stands behind its products.
*Results are based on the CosyLiving Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.
Learn About Our Top Pick2. All Season Bamboo Duvet Comforter
Total Ranking
213 votes
9.1/10
A-
Overall GradePROS
- Size variety
- Polyester filling
- Durable
- 100% bamboo
CONS
- Only a few colours available
- Togs not disclosed
- Expensive
The Bottom Line
Another great option is the All Season Bamboo Duvet by HOMBYS because of its quality, durability, and bamboo fabric. The filling of the duvet is 100% polyester and the bedding is available in a variety of sizes to fit your bed perfectly.
However, this option is almost twice as expensive as Cosy House and just about the same quality. It also only offers three colour options and does not disclose the tog of their duvet.
*Results are based on the CosyLiving Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.
Learn More3. Cloud Bamboo Duvet
Total Ranking
262 votes
8.7/10
B+
Overall GradePROS
- Size variety
- Bamboo Blend Filling
- Durable
- 10.5 tog for all seasons
CONS
- Expensive
- Only available in 10.5 tog
- Only Available in white
The Bottom Line
The Panda Store’s Cloud Bamboo Duvet is suited for year-round use with its 10.5 tog rating and cooling bamboo filling. It comes in a variety of sizes to fit your bed and is built to last a lifetime without wear and tear!
Similarly to HOMBYS, The Panda Store’s product is a little overpriced compared to Cosy House Collection. There’s also not any variety when it comes to colour and tog—they only offer white duvets with 10.5 tog. Regardless, it’s a quality option that won’t disappoint.
*Results are based on the CosyLiving Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.
Learn More4. All Season Duvet
Total Ranking
494 votes
8/10
B-
Overall GradePROS
- Down Alternative filling
- 10.5 tog for all seasons
- Inexpensive
CONS
- Only Available in white
- Only available in 10.5 tog
- Only single size available
The Bottom Line
We were so excited to try Mixbeauty’s All Season Duvet and it did not disappoint! This affordable duvet is a great option for anyone on a budget, with a microfiber filling and 10.5 tog for all seasons comfort. Customers report that it lasts relatively long despite its low cost.
However, if you have anything other than a single size bed, you’ll need to look elsewhere. This duvet only comes in single size and is only made in white.
*Results are based on the CosyLiving Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.
Learn More5. Climate Control Duvet
Total Ranking
570 votes
7.9/10
C+
Overall GradePROS
- Various tog available
- Inexpensive
CONS
- Only Available in white
- Not as durable as other options
- Only single size available
The Bottom Line
The Climate Control Duvet by Slumberdown is a top choice on Amazon for its low cost and good quality. It comes in several different tog ratings and is extremely affordable for a dormitory or a temporary housing situation.
While it’s a great choice, it's only available in single size and white. It also is more suited for short-term use as opposed to high quality options like Cosy House Collection’s duvet.
*Results are based on the CosyLiving Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.
Learn MoreResources:
- Sharma, Sunil & Kavuru, Mani. (2010). Sleep and Metabolism: An Overview. International journal of endocrinology. 2010. 10.1155/2010/270832.
- Leproult, R., & Van Cauter, E. (2010). Role of sleep and sleep loss in hormonal release and metabolism. Endocrine development, 17, 11–21. https://doi.org/10.1159/000262524
- Papatriantafyllou, E., Efthymiou, D., Zoumbaneas, E., Popescu, C. A., & Vassilopoulou, E. (2022). Sleep Deprivation: Effects on Weight Loss and Weight Loss Maintenance. Nutrients, 14(8), 1549. https://doi.org/10.3390/nu14081549
- Diekelmann S. (2014). Sleep for cognitive enhancement. Frontiers in systems neuroscience, 8, 46. https://doi.org/10.3389/fnsys.2014.00046
- Suni, E., & Callender, E. (2022, September 22). How sleep deprivation affects your heart. Sleep Foundation. Retrieved January 23, 2023, from https://www.sleepfoundation.org/sleep-deprivation/how-sleep-deprivation-affects-your-heart
- Nagai, M., Hoshide, S., & Kario, K. (2010). Sleep duration as a risk factor for cardiovascular disease- a review of the recent literature. Current cardiology reviews, 6(1), 54–61. https://doi.org/10.2174/157340310790231635
- Irwin, M.R. Sleep and inflammation: partners in sickness and in health. Nat Rev Immunol 19, 702–715 (2019). https://doi.org/10.1038/s41577-019-0190-z
- Imeri, L., & Opp, M. R. (2009). How (and why) the immune system makes us sleep. Nature reviews. Neuroscience, 10(3), 199–210. https://doi.org/10.1038/nrn257
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