Duvet Insert vs Comforter: What's the Difference?

The words "duvet," "comforter" and "quilt" get used loosely, and shopping for bedding can feel confusing as a result. The short version: a duvet insert is a plain, filled layer designed to go inside a cover, while a comforter is a finished bed cover that can be used on its own. In practice, the two overlap a good deal, and many comforters can also be used as inserts. This guide explains the differences, how to choose between them, and why wool makes a good choice either way.

What is a duvet insert?

A duvet insert, sometimes called a duvet, is a soft, filled layer, usually plain and neutral in color, that is meant to go inside a removable cover. The insert provides warmth, and the cover provides the look. You wash the cover when it gets dirty and wash the insert far less often. Inserts often have loops or ties at the corners that attach to the cover so the insert does not slide around inside.

What is a comforter?

A comforter is a thick, filled bed cover that is complete on its own. It has a finished shell, often in a decorative color or pattern, and is meant to be placed directly on the bed. It is generally stitched or tied through to keep the filling from shifting. Some people use a comforter with a bedsheet and a top sheet, and others lay it over a blanket. Many comforters can also be placed inside a duvet cover, which makes the two products interchangeable.

The main differences

  • Cover: A duvet insert is meant to be used with a cover. A comforter can be used on its own.
  • Look: With a duvet, the cover sets the style, and you can change it easily. A comforter's look is built in.
  • Cleaning: A duvet cover can be laundered regularly, while the insert is cleaned rarely. A comforter without a cover has to be cleaned as a whole.
  • Feel: Duvet inserts tend to be fluffier and are often filled with loose fill, while comforters can be flatter and are often stitched or tied.
  • Cost: An insert and a cover are bought separately, which can cost more overall, but a cover is easier to replace than a whole comforter.

Where wool fits in

A wool comforter is a good example of a product that blurs the line. The wool comforters we carry from Frankenmuth Woolen Mill are finished with a certified organic cotton shell and hand-tied every nine inches, so they can be used on their own. The maker also notes that you can use them with a duvet, a comforter cover, or alone, and includes a tie kit for securing the comforter inside a duvet cover. That is why our collection is called wool comforters and duvet inserts.

Which should you choose?

Choose a duvet insert and cover if:

  • You like to change the look of your bed with the seasons.
  • You want to keep your comforter clean with a cover you can launder often.
  • You have children, pets or allergies, and want a layer that is easier to keep fresh.

Choose a comforter on its own if:

  • You want a simple, finished bed with fewer pieces to manage.
  • You like the weight and look of a tied or stitched comforter.
  • You do not mind cleaning the whole item when needed.

If you are unsure, a wool comforter lets you try both: use it on its own, and add a cover later if you want to.

How to choose a duvet cover for a wool comforter

  1. Match the size. Pick a cover in the size of your comforter so the filling reaches the corners. Check the dimensions listed for the cover and for the comforter.
  2. Look for ties or loops. Many covers have corner ties so you can secure the comforter. Our wool comforters include a tie kit for this purpose.
  3. Choose a natural fabric. Cotton is breathable and pairs well with wool. Our cotton duvet covers are made by American Blossom Linens, and the maker describes its cotton as USA grown.
  4. Think about color and care. Choose a color you will enjoy, and follow the cover's care label so it lasts.

How to put a comforter into a cover

  1. Lay the cover flat, inside out, with the opening toward you.
  2. Place the comforter on top and line up the corners.
  3. Tie the corners of the comforter to the cover's corner loops or ties.
  4. Reach inside the cover, grab the two top corners, and shake the cover right side out, letting the comforter settle inside.
  5. Close the opening and smooth the surface.

Caring for each option

A cover can usually be machine washed according to its own care label, and it protects the comforter from daily wear. The wool inside needs gentler handling. Wool comforters should not be machine washed, and heat and agitation can shrink them. Air the comforter outdoors on a dry, sunny day to freshen it, and follow the maker's guidance for hand washing when it needs a deeper clean. We cover the steps in our Wool Care Guide and in how to wash and care for a wool comforter.

Wool or something else?

The insert-versus-comforter question is separate from the fill. You can find duvet inserts and comforters filled with wool, down or synthetic fibers. If you are comparing fills, see wool versus down comforters. If you want a natural fill that regulates temperature and can be used with or without a cover, wool is worth a look.

Build your bed

When you have chosen between an insert and a comforter, finish the bed with a wool mattress topper, wool pillows and cotton sheets and pillowcases. For a ready-made combination, browse our wool bedding sets.

Back to blog