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Daniel Noyed

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Best Duvet Inserts of 2021

Duvet inserts, often confused with comforters, offer an exceptionally warm and cozy minimalist form of bedding that doesn’t require a top sheet or additional blankets. When paired with a protective duvet cover, duvets are easy to clean and incredibly durable.

But if you’ve never bought a duvet before, the process of researching and finding the best duvet insert for your needs can seem intimidating. What is a duvet insert? Does it have to be filled with down? Can a duvet insert work if you live in a warm climate or sleep hot?

Here we’ll answer the most common duvet-related questions and outline the difference between a duvet and a comforter. We’ll cover everything you need to know to choose the best duvet insert for you including types of fill material, construction, temperature regulation, price, and more. We’ll also share with you our top picks for the best duvet inserts available today.

Product Details

Brooklinen Down Comforter

Best Overall

Brooklinen Down Comforter

Brooklinen Down Comforter
Price: $249
Who it's best for:
  • Those living in colder climates
  • Cold sleepers
  • Those looking for a premium, ethical down insert
Highlights:
  • Available in lightweight, all-season, and ultra-warm designs
  • Premium down clusters provide excellent insulation
  • Antimicrobial treatment helps stave off harmful bacteria
Brooklinen Down Comforter

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The Brooklinen Down Comforter is made in Canada using ethically sourced down harvested from Europe and Canada. With premium, high-quality materials and multiple warmth options, the Brooklinen is an excellent pick for a wide variety of sleepers who prefer down.

Made with 100% down cluster fill, the Brooklinen has all of the best features of a down-based duvet including cloud-like loft and incredible insulation power. The fill material is treated with an antimicrobial to help prevent the growth of bacteria or mold and keep your bedding fresh. The outer shell of the Brooklinen is made with soft and breathable 100% long-staple cotton sateen.

The Brooklinen also comes in more than one weight. The all-season weight is made with 700 fill power down that’s extremely warm and lofty. However, for those who sleep warm or live in a slightly warmer climate, the lightweight option contains a 650 fill power down that’s a bit cooler. The ultra-warm weight is constructed with 750 fill power to keep sleepers warm on colder nights.

The Booklinen is designed with baffle box construction to keep the down fill in place. Loops are sewn into every corner to act as tie-in points for a duvet cover.

Brooklinen recommends spot cleaning stains. You should also periodically hang your down duvet outside on a dry day or use a dryer on the no-heat setting to dry it out.

Brooklinen also provides one of the most generous return policies in the industry. Most products can be returned or exchanged within 365 days for free with a full refund.

Standard Textile All Seasons Down Alternative Duvet Insert

Best Value

Standard Textile All Seasons Down Alternative Duvet Insert

Standard Textile All Seasons Down Alternative Duvet Insert
Price: $109
Who it's best for:
  • Sleepers that are sensitive to allergens
  • Those who value easy cleaning and care
  • Sleepers who prefer for a lightweight duvet insert
Highlights:
  • Seven-inch box quilt design  helps keep fill evenly distributed
  • Loops at each corner to keep the duvet secure
  • Hypoallergenic and OEKO-TEX certified fill
Standard Textile All Seasons Down Alternative Duvet Insert

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Standard Textile has been crafting bedding for homes and hotels since 1940, and their All Seasons Down Alternative Duvet Insert adheres to their high standard of quality. The insert is lightweight and designed to perform well in all climates, making this a great choice for shoppers who want an insert that will remain comfortable all year round.

The insert is constructed of a hypoallergenic fill that is OEKO-TEX certified, meaning that the product is entirely free from harmful substances. This makes it a good option for sleepers who are sensitive to allergens or who are concerned about harmful chemicals in their bedding.

The All Seasons Down Alternative Duvet Insert also features a 7-inch box quilt design, which gives the insert a unique look while also preventing the fill from clumping throughout the night. Additionally, the insert has loops at each corner, which can help keep the duvet securely in place within the duvet cover, even for restless sleepers. The entire insert can also be machine-washed and dried, so cleaning is quick and simple.

Standard Textile provides free shipping to addresses in the U.S., and they also offer full refunds for any items returned within 90 days of delivery.

Birch Duvet Insert

Best Organic

Birch Duvet Insert

Birch Duvet Insert
Price: $349
Who it's best for:
  • Fill made of wool and RDS-certified down is warm and breathable
  • Baffle box stitching keeps fill in place
  • Easily washed at home
Highlights:
  • Fill made of wool and RDS-certified down is warm and breathable
  • Baffle box stitching keeps fill in place
  • Easily washed at home
Birch Duvet Insert

Use this SleepFoundation.org link for the most current discount on Birch bedding

Eco-conscious shoppers searching for an all-season option may find the Birch Duvet Insert worth considering. Birch is known for its commitment to ethical materials sourcing and manufacturing processes. While its price-point is a bit higher than average, shoppers who value quality materials and sustainable practices may find this duvet insert checks all their boxes.

The duvet insert’s fill is a blend of 70% Responsible Down Standard-certified down and 30% wool. This fill combination functions equally well in hot and cold climates. The down creates warmth while the wool ensures that the blanket wicks moisture and regulates temperature. The exterior is made from GOTS-certified organic cotton and is designed for maximum breathability.

Baffle box stitching keeps the fill in place and creates a lofty, airy feel. The insert is likely to have a long life-span thanks to its double-stitched edges. Sleepers can attach the insert to a duvet cover using corner loops.

Shoppers may purchase the duvet insert in three sizes: twin, full/queen, and king/California king. This duvet insert can be machine washed. Birch recommends washing it on a cold cycle and using dryer balls while tumble drying low. The Birch Duvet Insert is backed by a 100-night sleep trial, a 2-year warranty, and it ships free to all 50 states.

Buffy Breeze

Best Cooling

Buffy Breeze

Buffy Breeze
Price: $219
Who it's best for:
  • Hot sleepers
  • Sleepers who live in a warm climate
  • Those looking for a natural down alternative
Highlights:
  • Eucalyptus-based shell and fiber fill ensure excellent temperature control
  • Materials harvested from sustainable regenerative forests
  • Impeccable wave stitching prevents fill from shifting or clumping
Buffy Breeze

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The Buffy Breeze is made from a plant-based, eucalyptus fiber that’s cool to the touch. Recommended for those who sleep hot or live in a warm climate, this duvet insert has excellent temperature regulation.

The Buffy Breeze contains 100% eucalyptus fiber fill encased in a 100% eucalyptus fiber shell. The fiber for the fill is made using the wood pulp from eucalyptus trees while the shell is made with eucalyptus lyocell, a type of rayon similar to bamboo-based fiber. All of the eucalyptus fiber in the Buffy Breeze is OEKO-TEX certified to ensure it contains no harmful substances.

The 300 single-ply thread count shell fiber gives the duvet insert an extremely soft feel. The Buffy Breeze is constructed with a wave stitch pattern that helps keep the fill materials evenly distributed throughout the duvet insert. It also contains sewn loops on each corner to accommodate duvet cover ties and help keep your duvet insert in place.

The only downside to the Buffy Breeze is that it’s not easy to clean. While some duvets can withstand machine washing, Buffy recommends that you dry clean the Buffy Breeze. Using the Breeze with a duvet cover will help to extend the amount of time before you’ll need to clean it again.

Your purchase of the Buffy Breeze comes protected with a seven-day trial. If you choose to return the Buffy Breeze within the trial period, you won’t be charged for your purchase. You also have 30 nights from the time your order was placed to initiate a free return for a full refund.

Leesa Duvet Insert

Best All-Season

Leesa Duvet Insert

Leesa Duvet Insert
Price: $169
Who it's best for:
  • Sleepers who prefer using a comforter regardless of weather conditions
  • People with sensitive skin
  • Those with down allergies
Highlights:
  • Smooth organic cotton shell and plush down alternative fill
  • Lightweight yet cozy for year-round use
  • Fully machine washable
Leesa Duvet Insert

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The Leesa Duvet Insert is well suited to people who enjoy sleeping with a comforter throughout the calendar year. Down alternative fill makes the insert plush and lofty without feeling too heavy or retaining excess body heat, while the shell is composed of breathable organic cotton. The result is a mid-weight layer that offers ample coziness during colder times of the year but is also comfortable for hot weather.

The fill is completely synthetic, and won’t trigger symptoms for those who are allergic to real down. The material composition should also appeal to people who prefer not to purchase products with animal components. The cotton shell has a smooth feel for sleepers with sensitive skin, as well. The perimeter is reinforced to prevent tears and rips that can allow fill to escape.

Three sizes are available: twin/twin TX, full/queen, and king/California king. The insert can be washed and dried in any household machine, making it more convenient to clean than many competing comforters – particularly those with down and feather fill.

In terms of sticker price, this duvet insert is on par with its competitors. Leesa provides free ground shipping to customers in all 50 states and allows returns within 30 days of the delivery date.

Boll & Branch Down Duvet Insert

Best Luxury

Boll & Branch Down Duvet Insert

Boll & Branch Down Duvet Insert
Price: $400
Who it's best for:
  • Sleepers who prefer the soft and airy feel of down bedding
  • People who reside in warmer climates
  • Animal-conscious individuals
Highlights:
  • Contains responsibly sourced, cruelty-free down and feather fill
  • An organic cotton shell promotes breathability and cooling
  • Uniform appearance and even distribution thanks to high-quality baffle-box construction
Boll & Branch Down Duvet Insert

Use this SleepFoundation.org link for the most current discount on Boll & Branch bedding

The Boll & Branch Down Duvet Insert is impeccably crafted and well suited to luxury-minded sleepers. The insert’s fill consists of authentic down that has received certification from the International Down Standard, ensuring no animals are harmed or mistreated in order to extract the material.

The shell is made from pure organic cotton, which is breathable enough to help the insert feel cool despite the down’s insulating properties. As a result, this insert is optimal for hot sleepers and those who live in warmer places.

The organic cotton is also fairly durable, so you won’t need to worry about down escaping until normal wear and tear sets in. The entire insert can be washed and dried in your household machines, making it cheap and convenient to clean – though multiple drying cycles may be needed. Boll & Branch offers two sizes for the insert, full/queen and king/California king.

Given its premium materials and high-quality construction, the Down Duvet Insert is somewhat expensive. Boll & Branch offsets costs by offering free ground delivery within the contiguous U.S., as well as complimentary shipping on all returns within 30 days of purchase.

Tuft & Needle Down Alternative Duvet Insert

Most Comfortable

Tuft & Needle Down Alternative Duvet Insert

Tuft & Needle Down Alternative Duvet Insert
Price: $175
Who it's best for:
  • Couples
  • Sleepers who are allergic to down
  • Those looking for a machine-washable duvet insert
Highlights:
  • Two weight options for sleepers with different preferences
  • High-quality down alternative fill resists clumping and flattening
  • Smooth and breathable cotton cambric shell
Tuft & Needle Down Alternative Duvet Insert

Use this SleepFoundation.org link for the most current discount on Tuft & Needle bedding

The Tuft & Needle Down Alternative Duvet Insert is made with a high-quality polyester fiber fill that won’t easily lose its loft. The insert’s polyester fill is encased in a 100% cotton shell that’s light and breathable. All of the materials used in this duvet insert are OEKO-TEX certified to ensure they’re free from harmful chemicals. Shoppers also have the option to add a Tuft & Needle duvet cover to their purchase.

The Tuft & Needle Down Alternative duvet insert is available in two different weights, light and medium. This means both warm and cool sleepers can find an option that suits their needs. The Tuft & Needle is also oversized, providing more surface area and making this an excellent choice for couples.

Tuft & Needle uses sewn-through construction for its light duvet insert and baffle box construction for its medium insert to preserve more loft and warmth. Each corner of the Tuft & Needle Down Alternative duvet insert features loops to help hold your duvet insert in place when using a duvet cover. This duvet insert is also machine washable, making for easy cleaning.

The Tuft & Needle Down Alternative duvet insert ships for free. Your purchase is covered by a two-year limited warranty. The company also offers a 100-night sleep trial. If you’re not satisfied with your Tuft & Needle duvet insert within your first 100 nights, you can return it for a full refund.

What is a Duvet Insert?

A duvet, derived from the French word for down, is a type of bedding that consists of a duvet insert and a duvet cover. The duvet insert is made up of an enclosed fabric shell filled with a soft, lofty material. While the traditional choice for fill material has always been goose or duck down, it’s now easy to find duvet inserts made with a variety of materials from synthetic options to other natural choices like wool and silk.

Duvet inserts typically come in a neutral color such as white or cream. Similar to a pillow and a pillowcase, duvet inserts are placed in a duvet cover. The cover protects your duvet insert from body oils and stains. For this reason, many choose to forgo a top sheet when sleeping with their duvet.

Duvet inserts come in a wide variety of sizes, weights, and materials. The best duvet insert for you will depend on your personal preferences and the level of warmth you need from your bedding. It’s also important to note that the quality of the materials you choose will have a significant impact on the durability and overall performance of your duvet. We’ll help you determine how to choose the best features for your needs and the best materials for your budget.

What’s the Difference Between a Comforter and a Duvet Insert?

Bedding terminology can be confusing and many people mistake duvet inserts for comforters or believe that the two terms are interchangeable. However, there are a few key differences between these two types of bedding.

First, let’s address the similarities. Both comforters and duvet inserts are commonly filled with down or synthetic materials and are meant to keep you warm at night.

Now the differences. The most important differentiator between comforters and duvet inserts is that comforters are designed to be used without a case or cover. That’s why comforters are often available in more colorful options and are commonly paired with a top sheet for protection.

How to Choose a Duvet Insert

A duvet insert makes up the core of a duvet, a unique style of bedding designed to keep you warm on cold nights. Originating in Europe, a duvet consists of a duvet insert, a fabric shell filled most commonly with down, and a duvet cover, an additional fabric layer that protects the duvet insert from dirt and can be removed for easy cleaning

As you search for a new duvet insert, you’ll be presented with a wide variety of options. Here we’ll discuss the most important factors to consider as you shop for the best duvet insert.

What to Consider When Purchasing a Duvet Insert

When shopping for a duvet insert, you may start to feel overwhelmed by the sheer amount of options you have to choose from. Additionally, bedding companies can sometimes use misleading language that makes it difficult to decipher the most important differences between products.

We’re here to help you cut through the noise and figure out which duvet insert is best for you. The key factors to consider are the materials, size, weight, design, price, and temperature regulation.

Quality Materials
The type of materials used in the construction of your duvet insert will have the greatest impact on its overall performance and durability. This includes both the fill material and the shell material.

Down is the traditional choice for duvet insert fill material. It also tends to be the most expensive and durable fill material available, however, high-quality forms of synthetic down alternatives such as Primaloft can rival the loft and warmth of down. When it comes to the shell material, cotton and polyester can both comprise quality fabrics, but polyester tends to be more durable.

Size
Duvet inserts are typically available in sizes that are compatible with the most common bed sizes including twin, twin XL, full or double, queen, king, and California king.

Weight
The weight of your duvet insert is an important consideration and will depend on the climate you live in and your own personal preferences. For cold sleepers in cold climates, a heavyweight insert is the best choice. If you live in a warmer climate but enjoy the comfort of a plush duvet, consider a lightweight duvet insert. You can also purchase different duvet inserts for different seasons and rotate them throughout the year.

Design
Duvet design refers to how the insert was constructed in terms of its stitching. Although this may seem like a purely aesthetic detail, the design has a significant impact on how the fill material and therefore heat insulation is distributed throughout the surface area of your duvet insert.

Price
The price you pay for your duvet insert can vary significantly and will depend largely on the type of fill material you choose as well as the size. Prices can range from $100 up to $1000. At the lower end of this range are duvet inserts that use synthetic or synthetic blend materials. The top end of the price range consists of ethically harvested down and organic wool.

Temperature Regulation
Although duvets are meant to keep you warm at night, no one wants to wake up in a sweat. Certain materials are better at regulating your body temperature throughout the night, especially if you tend to sleep hot. Down is the most insulating fill material and is more likely to allow heat from the body to build up during the night.

The best duvet inserts for hot sleepers and the best cooling duvet inserts tend to be made from materials that are more breathable than down including silk, cotton, and synthetic fibers.

What Are the Pros and Cons of Duvet Inserts?

Duvet inserts are one of the warmest bedding options available, but they can be difficult to clean. Let’s take a closer look at the most significant pros and cons of duvet inserts.

Pros Cons
  • Duvets are one of the warmest options available when it comes to bedding. They typically come in higher lofts meaning you won’t need to pair them with extra sheets or blankets.
  • Duvet inserts don’t require frequent cleaning. The duvet cover, which can be removed and cleaned, protects the duvet insert from stains and body oils.
  • Although duvet inserts are usually plain in color, you can switch out duvet covers with different patterns and styles.
  • Duvet inserts have many options for fill material depending on your needs. Gone are the days when down was the only game in town. Now you can find duvet inserts made from synthetics, other natural fibers like wool, and even ethically sourced down.
  • Duvets can be difficult to clean and may require dry cleaning or other costly professional cleaning options. Unlike a blanket, if your duvet becomes badly stained, you may need to replace it.
  • The additional cost of a duvet cover adds to the overall expense of using a duvet insert.
  • Duvet inserts can be tricky to place inside their cover and are prone to bunching up inside their covers after repeated use.
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    What Types of Duvet Inserts are Available?

    Different types of duvet inserts can be categorized by the fill or the material inside the duvet insert that gives the bedding its loft. In terms of fill material, the overall quality of the material matters more than the material itself. However, certain materials are considered more of a luxury, a feature reflected in the price tag of premium duvet inserts. Additionally, different types of materials have different advantages and disadvantages. Here we’ll take a detailed look at the different types of fill materials commonly used in duvet inserts

    Down: this is the traditional choice for duvet insert fill material. Many people associate down with the feathers of a duck or goose. While quilled feathers are water-resistant and help these birds to fly, down actually sits below the feathers.

    Down is light and fluffy and provides insulation and warmth in cold conditions. Duvet inserts made with down can be more expensive, but if you live in a cold climate, down filling is often the best choice. Just be aware that for certain sleepers, down may trigger an allergic reaction.

    Synthetic Down Alternatives: aside from down, synthetics are the most common fill material used in duvet inserts. Polyesters and other synthetic fabrics are designed to create a fluffy material that mimics the feature of down. For those with allergies or who prefer to stay away from animal products, synthetic down alternatives offer a good compromise. Synthetics can be less expensive than genuine down, but the lower in price you go, the more you’ll sacrifice in terms of durability and overall quality.

    Wool and Silk: if you’re looking for a natural material, you can also find duvet inserts made from wool or silk. Wool provides a warm, moisture-wicking alternative to down, but it won’t provide the same loft. Silk is perfect for those living in warmer climates or as a lightweight duvet for the summer months.

    Although your duvet will be wrapped in a duvet cover, the shell material can still have an impact on performance. Cotton and polyester are the most common shell materials. Both are affordable, but cotton tends to be more breathable while polyester can be more durable. For the best of both worlds, try a cotton-polyester blend, a fabric that offers the best features of each material.

    Frequently Asked Questions About Duvet Inserts

    How much do duvet inserts cost?
    A duvet insert may cost as little as $50 or upwards of $1000. The price will vary greatly depending on the type of materials used, the quality of those materials, and the construction. Duvet inserts that use synthetic fill tend to be more affordable than duvet inserts made with down.

    The source also matters. Expect to pay more for anything containing organic cotton or wool and ethically-sourced down.

    How do I clean a duvet insert?
    You should clean your duvet insert every few months in your washing machine or by taking your duvet insert to the dry cleaner. Protected by an outer cover, duvet inserts don’t need to be cleaned as frequently as other bedding that comes into direct contact with your skin.

    The exact protocol for washing will vary based on the type of fill material your duvet insert contains so make sure to consult with the care instructions recommended by the manufacturer. However, many duvet inserts can be cleaned in the washing machine.

    Size also matters. A lofty down duvet insert in a king size probably won’t fit in a standard washing machine and may require professional cleaning.

    Where can I buy a duvet insert?
    Duvet inserts are easy to find online and at big box stores. While some shoppers enjoy the hands-on experience of shopping for bedding in person, shopping online will give you the most options to choose from. Plus, most reputable online bedding retailers today offer generous return and warranty policies.

    How long do duvet inserts last?
    A quality duvet insert should last for several years for most sleepers, often up to or beyond 10 years. Duvet inserts tend to last longer than pillows as they lay on top of the sleeper and don’t need to support your body weight. Keeping your duvet insert protected with a frequently washed cover will help extend its lifespan.

    The lifespan of your duvet insert is directly affected by its materials and construction. Synthetic duvet inserts tend to lose their loft and ability to insulate faster than down-based duvet inserts. In fact, well-made and well-maintained down duvet inserts can typically last upwards of a decade or more.

    Lastly, your sleep habits can also affect the longevity of your duvet insert. Sleepers who toss and turn consistently or sleep on top of their duvet will wear out its loft and insulation more quickly.

    Which size duvet insert is right for me?
    Purchase a duvet insert that corresponds to the size of your mattress. Inserts are typically available in standard sizes from twin up to California king. If you prefer extra bedding material or own a high-profile mattress, consider going up one size from your mattress size. Couples who toss and turn or who have different sleep temperature preferences should also consider purchasing two smaller duvet inserts and covers so each person can have their own bedding.

    How do I put a duvet insert on?
    We’ve found the easiest method for putting a cover on your duvet insert to be the inside out method.

    1. First, lay your duvet insert on top of your bed.
    2. Next, turn your duvet cover inside out, slide your arms inside the cover. With your arms inside the cover, grab the bottom corners of the cover.
    3. Still holding the corners of the cover, also grab the top corners of your duvet insert.
    4. Making sure to hold on tightly, begin to flip the duvet cover right side out and over your duvet insert. It may take a bit of shaking and fluffing before the cover falls down to encase the entire length of the insert.
    5. Now let go of the corners, and finish by stuffing the opposite corners of your duvet insert into the open side of your cover, checking to see that everything is aligned.
    6. Zip or button your cover closed.

    A final pro tip: if your duvet cover lacks internal ties to keep your insert in place, you can use small safety pins to secure the top corners of your duvet insert to the inside corners of your cover before fully putting on the cover.