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Pillow Types and Classifications: All you need to know

What are synthetic pillows and hollow fiber pillows?

Synthetic pillows are often referred to as fiber pillows, microfibre pillows or polyester pillows—these are all man-made fillings and are the cheapest pillow types

The chemical polyester synthetic pillow filling manufacturing process creates threads, which are then spun into a denser filling to use to stuff pillows, duvets, cushions, and toys. Polyester synthetic pillows are usually simply constructed with a cotton or polyester slip (the outside of a pillow) with spiral fiber, microfibre or fiber inside.

These pillows are great if you’re on a budget or have bad allergies, but they are the worst long-term investment and have the lowest satisfaction rating among all our reviewers. Some wash well, but others will clump after washing and make you hot at night. You’re unlikely to fall in love with a synthetic pillow, but they’re very cost-effective if you just want to put your head on something apart from a mattress.

  • Pros: Cheap,  lightweight, good for those with allergies, easy to care for, easy to bend and scrunch to get required height, not noisy
  • Cons: Have the shortest life-span (6 months to 2 years), flatten quite quickly, retain heat and moisture, plus the filling can clump and get out of shape

What are down pillows?

‘Down’ is the softer under-feather that ducks and geese use for insulation; it is usually considerably softer than the outer feathers. The quills are normally very thin and pliable, unlike outer feathers, which can be tough. Often, down is sourced from birds that generally live in cold climates (Scandinavia, Russia, etc.), as their down will tend to be thickest and softest.

To be considered a down pillow, the filling needs to be at least 75% down. Often, manufacturers will use other, cheaper materials, such as feathers, to make up for the rest. When this is the case, material is often inside an inner core within the pillow, which is then surrounded by down to give external softness.

Down pillows are usually very smooth with no lumps, and although the down can occasionally escape from the pillow cover, it usually won’t poke you like feathers. Down is not cheap; down pillows are usually among the most expensive and luxurious.

Should I choose goose down pillows or duck down pillows?

Goose down pillows are often considered more luxurious than duck down due to the larger tufts of down, which provides slightly more insulation. They are usually more expensive pillows as well. Basically with down pillows, the more you pay, the better quality down you get. Geese have more down than ducks, and the farther north they come, the warmer it is. The price tag goes up as well, but you can feel the difference.

Make sure to buy from a reputable down pillow retailer, such as John Lewis, The White Company, or Soak & Sleep. We have previously checked their animal welfare policies, and they should all adhere to strict guidelines for ethically sourcing down. They should also sell properly washed down that is fresh and soft and minimizes allergies—note that dust mites, not down and feathers, cause allergies.

Also make sure the pillow cover is high-thread cotton so that no downy tufts and quills escape. That sorted, you won’t regret buying a down pillow—they’re my personal favourite (ed. Suzie!)

Pillow advisor summary: Although a bit pricey, nothing feels as soft and luxurious as a down pillow. They aren’t ideal where support or neck pain relief is required—quite often you may need another pillow underneath—but they won’t disappoint in almost all other circumstances.

  • Pros: Tend to make the softest pillows; nice and light, cool and airy, easy to shape, long-lasting, quiet
  • Cons: Feathers can sometimes poke through the cover (though usually not spiky like feathers); do not offer a lot of support or height—not great for side sleepers; can be expensive; will need occasional fluffing and shaking to get back into shape; not ideal for allergy sufferers unless the down has been correctly processed.

What are feather pillows?

A feather pillow is made using a ‘feather-proof’ outer cover (to stop the feather quills poking through) and is filled with wing and back feathers of duck and geese. Feathers alone can be a little rough, and so a feather pillow will usually contain a small percentage of down to soften it up a little.

If you’re buying a feather pillow, the quality of the feathers used and the cover are especially important. A good quality feather pillow will smell fresh and will be stuffed with washed and sorted high-grade feathers, making it less likely to contain dust and cause allergies.

The most important thing to consider when buying feather pillows is to make sure that the cover is made from good-quality cotton with a densely woven, high thread count—a thread count of more than 240 gsm (the higher the better) should keep dust mites out and help keep spiky feather quills in. In other words, it will make sure that you get a better night’s sleep on your pillow.

A down/feather mix pillow will always be more comfortable—giving you the softness of down and the support of feathers.

Pillow advisor summary: Used to be popular, but 100% feather pillows are not particularly recommended unless you sleep mostly on your back or front and feather pillows are your thing.

  • Pros: Usually inexpensive, soft, easy to shape, durable—have a good lifespan
  • Cons: The feather quills can regularly poke through even the toughest cover—they’re spiky! Do not offer a lot of support or height—not ideal for side sleepers, can be a bit noisy, will need regular fluffing and shaking to get back into shape, and is not great for allergy sufferers unless it’s super quality and you use a pillow protector.

Whylatex latex pillows.

Latex is a natural polymer derived from plants and trees, although it can also be synthesized. When latex is used as a pillow filling, it is foamed to create a matrix of tiny interconnected bubbles, which give it bounce and spring. This latex sponge is very reactive to pressure, but unlike memory foam, it has instant bounce-back, so it is very good for back and neck problems, as latex relieves pressure when sleeping (see video below)

It is generally sold as a memory foam competitor, though in reality it offers different properties and a different experience from memory foam. The good news is that much latex is now produced sustainably from plantations that grow latex rubber trees, so it is a potentially more environmentally friendly pillow-filling option than memory foam or synthetic fillings.

Generally, latex pillows do not provide the ‘sinking in feeling’ associated with memory foam, and they also have better moisture and heat dissipation properties than memory foam. Latex pillows are also effective as orthopedic pillows because they provide excellent support for neck pain and are beneficial for allergy sufferers by prohibiting dust mites. The downside is that you can’t shape them to fit; you’re stuck with the fixed height.

Latex pillows have some of the highest satisfaction ratings of all pillows and can offer you a very comfortable, pain-free night, but make sure you buy one of the right height for you. Not for you if you like a lighter, moldable pillow, though.

  • Pros: Very long-lasting natural material, cooler and more airy than memory foam, shapes itself to the head and neck. Soft and supportive, offering effective pressure relief, holds its shape well, quiet
  • Cons: It can be expensive, heavy, and fixed in shape and height, so if a pillow is not right, you can’t adjust it; it can smell strange to begin with.

What is Memory Foam?

Memory foam, also referred to as viscoelastic foam, is foamed polyurethane with additional chemicals that increase its density and viscosity—sounds lovely, doesn’t it?! The foam bubbles or ‘cells’ are open, effectively creating a matrix through which air can move. Memory foam was first discovered under a contract by NASA, which was looking into new materials to increase cushion safety.

Memory foam’s key characteristics are that at high densities it reacts to body heat, conforming and molding itself to the body over a couple of minutes, and at low densities foam pillows are pressure-sensitive and will react quickly to body shape.

Memory foam pillows using this material are either shaped like a normal pillow or are contoured to fit more closely to the head and neck. Because of their properties, memory foam pillows are often sold as offering effective pressure relief and unparalleled comfort. Many users do rave about them, although in reality, they are not to everyone’s taste. Because memory foam is relatively dense, the height is essentially fixed, so it is not adaptable to different height requirements; it can also be quite warm, as it doesn’t offer much airflow.

  • Pros: Offers good support and pain relief; is soft and smooth without lumps; can be contoured to closely match the head and neck; is quiet; has good durability; and is easy to look after. Those people who get on with memory foam pillows LOVE them.
  • Cons: If you tend to move around during your sleep or swap between sleeping on your back, side, or front, then the fixed height won’t suit you; it can initially be a bit smelly and heavy, and there is not very good ventilation, so it can be hot and relatively expensive.

How to compare different types of Pillows

Pillows can be made with wool, silk, buckwheat, bamboo, latex, and other materials, but in the world, the vast majority of pillows are either synthetic or down/feather. The four most popular pillow fillings are the following:

  • Polyester, hollow fiber pillows: General purpose, good all-rounder synthetic pillow
  • Down pillows:  Made from very fluffy under-feathers, super soft but can be expensive
  • Feather pillows:  Made from feathers (duh!), fairly soft and supportive but can be noisy and spiky
  • Memory foam pillows: Made from NASA thermo- and pressure-reactive foam, very supportive, like Marmite: some people love them, some people hate them

We’ve put together this pillow comparison chart to enable you to compare the differences between the main types of pillow.
Once you’ve decided on what sort of pillow is for you, take a look at our reviews of the best pillows to find your ideal pillow.

Pillow comparison chart

Polyester,
Hollow fiber,
Synthetic pillows
Feather pillowsDown pillowsMemory foam pillows
Price££££££££££
Versatility************
Durability*************
Maintenance***************
Softness**************
Firmness***********
Moldability****************
Support***********
Pain reduction**********
Sleep on back*********
Sleep on side***********
Sleep on front***************
Weight (*=light)***********
Air flow**********
Coolness************
For allergies**************

What are wool pillows?

Wool pillows are natural, antiallergenic, supportive, warm, and cool. 

Increasing in popularity, wool is a more environmentally friendly option than man-made, synthetic fillings, which are made from polyester. These polyester fillings are all made through a chemical reaction involving coal, petroleum, air and water. Would you have ever guessed there was petrol in your bedding?

Environmentally friendly

Fossil-fuel-free, wool is excellent at repelling dust mites—it is naturally anti-allergenic, as long as you’re not allergic to wool itself!—and brilliant at absorbing moisture. A sheep’s fleece insulates the sheep’s body, helping to maintain a constant body temperature by providing protection from the extremes of cold in the winter and heat in the summer. This all means that wool is a fantastic material to use for bedding, helping to keep you warm in the winter and cool in the summer.

Temperature-regulating: good for little children
Wool can therefore be a wonderful choice for people who get hot heads in bed: toddlers, children and anyone going through menopause. Because the natural fibers absorb moisture, you also don’t get a sweaty patch on your pillow, as you might do with a polyester / synthetic pillow. So for little ones who can’t regulate their body temperature well, wool is the best choice for a children’s pillow or toddler’s pillow. This ability to regulate humidity also means, bizarrely, that wool is a really good option if you live in hotter, tropical countries, too.

Heavier pillows

A wool pillow is naturally much heavier and firmer than synthetic pillows or down and feather pillows, so it stays where you put it and doesn’t end up halfway down the bed. So, for this reason, too, they work well as children’s pillows. They’re supportive but flat, which is beneficial for front sleepers or those toddlers who mainly sleep on their tummies or sides. Alternatively, you could double up your pillows if you need a bit more support on your back or side.

Recyclable and fully biodegradable, wool pillows definitely meet any ‘green’ sustainability criteria. And there are a couple of good organic wool pillows available with 100% cotton covers for those readers who would like to be as eco-friendly as they can be.

Can you wash wool pillows? 

Washing some wool pillows can be a little risky, so ideally a quick surface clean or a dry clean is a better idea. You’d be wise to use a 100% cotton pillow protector as well as a pillowcase for an extra layer of protection.

Tip: Don’t use a waterproof protector, as its synthetic fibers will stop all those lovely breathable benefits of your natural wool and cotton.

Pros: 

  • Environmentally friendly
  • anti-allergenic
  • temperature regulating
  • moisture / humidity regulating
  • supportive
  • heavier, so don’t move around the bed by yourself.

Cons:

  • Maybe too firm, or too heavy for some
  • more expensive than a synthetic pillow
  • washing can be more challenging
  • can smell a bit ‘sheepy’ at first—air them!

The best pillow for the environment or for those wanting an organic pillow. They are great as children’s pillows and for heat regulation, but they are just a bit too heavy for many people.

What are microbead pillows?

Traditionally used in beanbags, little polystyrene foam balls are often used as the filling to make microbead travel pillows and microbead neck pillows (the ‘U’-shaped pillows that you wear around your neck while on a plane or train). Microbead pillows are filled with thousands of tiny polystyrene beads. The outer casing is usually made of a soft man-made and elastic material such as lycra or spandex.

The characteristics of a microbead pillow are that it is exceptionally soft and pliable and has a very different feel from most other pillow types. Microbead sleeping pillows are often cylinder-shaped and are designed to be shaped and molded to the users’ requirements.

The microbeads used in pillows and cushions are bigger than those used in cosmetics but still present potential environmental hazards when they’re disposed of. They can also potentially be a choking hazard for very small babies and animals if a cushion spills its contents of thousands of tiny beads.

What are buckwheat pillows?

Very popular in Asia and gaining fans in the US, buckwheat pillows are filled with buckwheat husks. Oddly, buckwheat isn’t actually wheat at all but a fruit, the husk of which is considered more valuable than the kernel. The main characteristics of a buckwheat pillow are similar to those of microbead pillows in that they are very conforming, molded, and supportive. It’s possible to shape the pillow or even add / remove husks to fit your pillow height requirements.

The good news is that, compared to harmful plastic microbeads, buckwheat is a much more environmentally friendly pillow filling. Grown sustainably and naturally biodegradable, buckwheat is one of the best possible materials to use for pillows—making it the eco-friendly pillow of choice.

These pillows are recommended for people who need extra support, who are looking for neck, back and shoulder pain relief, or who suffer from sleep apnea.

  • Pros: Supporting, moldable and will fit the contours of your body; height is adjustable; durable natural materials; airy
  • Cons: Quite heavy and a bit noisy, as the husks will rustle as you move; can be more expensive (but not by much); can be too firm for some people and will take some adjusting to get the correct height

Worth trying if you are after something supportive that can help with pain relief. Or if you want to try an environmentally friendly pillow filling. It is a little different though, so you’ll get more noise and movement than with conventional fillings.

How to choose the best pillow for you

Most people don’t think too much about their pillow choice unless they sleep badly or suffer from pain (usually neck or back pain), but the right pillow can make a big impact on your quality of sleep, your health, and your well-being.

Choosing the right pillow is the first step. There’s no single pillow that’s ideal for everyone. We are all different shapes and sizes and have different sleeping styles, so we need to choose a pillow that is suitable for each of us. The trouble is, there are loads of different pillow types. Where do you begin?

Don’t worry, here’s a handy pillow reference guide to help you to narrow down the options; you’ll be sleeping better in no time:

Step 1. What is your sleeping style

Probably the most important factor in choosing the right pillow. This determines the required pillow support level (thickness) to adequately support your head and align your neck with your spine.

Do you mostly

Sleep on your front? You are a tummy sleeper. 

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