How to Choose a Mattress Topper (The Ultimate Buyers Guide)

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James Miller
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James is an environmentalist, sustainability expert and senior editor at TheRoundup, specializing in testing non-toxic, organic and eco-friendly products. James, his wife and two daughters believe in chemical-free and zero-waste living. They aim to leave the planet in a better state than we found it, for future generations to enjoy.
James Miller
Updated: March 13, 2024

Finding the perfect mattress topper can be challenging, especially if you’re trying to be eco-friendly and keep harmful chemicals out of your bedroom.

There's a lot to consider: different materials, firmness levels, features, care, and cleaning - not to mention the cost.

In this article, I’ll call upon my years of experience testing sleep products to show you how to choose a mattress topper that is made with sustainable materials and offers just the right amount of support and comfort.

You can then check out my organic mattress topper reviews, armed with all the knowledge you need to find the perfect option, whatever your budget.

Mattress Topper Materials: Pros & Cons

One of the key considerations when shopping for a mattress topper is the materials it’s made from.

If you have the budget, I strongly recommend you invest in a high-quality mattress topper made from organic materials. This is healthier for you, far better for the environment, and will extend the life of your existing mattress, or protect a brand-new mattress.

It makes no sense to introduce chemicals into your room by using a synthetic topper, just to save a few bucks. So where possible, keep it organic all the way for extra peace of mind.

I'll now run through some of the more commonly used mattress topper materials in detail, so you can see the pros and cons of each.

Memory Foam

memory foam mattress topper material

Memory foam is a type of polyurethane foam that has been popularized in recent years as it provides exceptional comfort and support.

It contours to your body, allowing for pressure point relief.

A memory foam mattress topper is great if you need additional cushioning or want to add extra softness to your bed without sacrificing support.

However, some memory foams (especially those at the cheaper end of the market) can contain toxic chemicals, and off-gassing becomes an issue.

They can also hold body heat and are not ideal for hot sleepers. However, some memory foam contains cooling gels to help dissipate body heat.

Pros:

  • Excellent body contouring
  • Can relieve pressure points
  • Good motion isolation
  • Wide range of firmness options
  • Durable

Cons:

  • Possible off-gassing issues
  • Absorbs and holds body heat

Other Foams

Other foam toppers (such as egg-crate foam, convoluted foam, and polyfoam) have similar properties to memory foam toppers.

Pros: 

  • Sleep cooler than memory foam mattress toppers

Cons: 

  • Not as molding or supportive as memory foam mattress toppers

Latex

Latex toppers provide a similar amount of contouring as memory foam but also have an added bounce that helps keep you cool throughout the night by generating increased airflow.

Latex is also more durable than most materials and resistant to allergens, bacteria, and dust mites.

Natural latex is a good non-toxic alternative to memory foam. To ensure you’re getting the purest form of latex, look for latex toppers certified by the Global Organic Latex Standard.

Pros:

  • Good body cushioning
  • Supports hips, back, and shoulders
  • Good range of firmness options (soft to firm)
  • Allergen resistant
  • Durable
  • Reduces motion transfer
  • Sleeps cool

Cons:

  • Often expensive
  • Heavy (might be difficult for some to move on their own)
  • Even a soft latex mattress topper can feel firm (not ideal if you like a super soft sleep surface)

Down/Feathers

Down and feathers are an excellent choice for those who want to add an extra layer of loft and comfort to their bed.

They’re usually combined with cotton or synthetic fabric but can be used alone too.

Pros:

  • Soft luxurious boutique hotel feel
  • Lovely and warm in the winter
  • Decent value price point

Cons: 

  • Sharp feathers might poke through after extended use
  • Possible animal welfare issues (always look for certification from bodies such as the Responsible Down Standard)
  • Needs regular plumping/shaking

Down/Feathers Alternatives

For those who are vegan or have allergies, there are synthetic down/feather alternatives available such as polyester fiber fillers, bamboo fibers, cotton batting and kapok.

Pros:

  • Great choice for vegans

Cons: 

  • Often difficult to source

Microfiber And Cotton

Microfiber and cotton mattress toppers are economical for those on a budget. They’re also the lightest type of mattress topper, making them easy to move and transport.

While they don’t have the same contouring or durability as other materials, they can still provide good comfort if you like a softer sleep surface.

Pros:

  • Lightweight and portable
  • Economical choice
  • Good choice if you prefer a soft sleeping surface
  • Ideal for guest rooms, children’s beds, or bunk beds

Cons:

  • Little to no body contouring
  • Can be lumpy after extended use

Wool

Wool is a natural material that is breathable, temperature-regulating, and hypoallergenic, making it perfect for hot sleepers with allergies.

It’s also incredibly soft and can provide extra cushioning and comfort for your bed.

Pros:

  • Soft and comfortable
  • Durable
  • Temperature-regulating and breathable
  • Hypoallergenic
  • Deters bed bugs
  • Year-round use (cool in summer, warm in winter)

Cons:

  • Can be pricey
  • Doesn’t come in firm options

Other Things to Consider When Choosing a Mattress Topper

Thickness / Density

Most mattress toppers are between 1” and 4” thick. Make sure to choose one designed with the correct thickness and firmness. Too thick or too thin, and it might not provide the comfort you need.

Memory foam toppers, in particular, often have a density rating listed on them. This rating is measured in lbs/ft³ (or kg/m3 in some countries).

There are three standard ranges:

  • Under 3 lbs/ft³ (soft): Topper will feel soft and less supportive. Lighter and easier to move around.
  • 4 or 5 lbs/ft³ (medium-soft, medium-firm): A good middle option that will suit most people. Nice balance of support and comfort.
  • 6 or more lbs/ft³ (firm, extra firm): Topper will take longer to conform to your body. Best suited to those who like a firm sleep surface.

Warranty / Durability

Look for a mattress topper with a reasonable warranty length to ensure that it’s built to last.

Sleeping Position

When looking for a mattress topper, make sure to take your sleeping position into account so you can get the most out of it:

  • Side Sleeper: If you’re a side sleeper, you should select a mattress topper that is plush enough to cradle your body but not overly soft. This will help ease the pressure on your shoulders and hips while ensuring proper neck, head, and spine alignment.
  • Back Sleeper: If you sleep on your back, proper support is crucial to avoiding back pain. Medium-to-firm options or thicker memory foam choices are ideal for this purpose.
  • Front Sleeper: When you sleep on your stomach, a lot of pressure is placed on your lower back. To ensure this doesn’t happen and to provide the proper support, it’s advisable to get the firmest mattress topper available. High-density foam can be an excellent option for those who are belly sleepers. Additionally, look for one that keeps you cool at night because you will press your face and neck against it.

Ease of Care

Latex and foam mattress toppers are spot clean only (although they may have a removable cover you can machine wash.

Some other mattress toppers (cotton batting, wool, down, etc.) might be dry clean only or machine washable. However, always check the care label or manufacturer’s website for clarity.

Sleep Trials

Some mattress topper companies offer sleep trials. This is a great way to test the product at home for a reasonable time before deciding if you want to keep it.

Some of the leading sleep trials include:

Sleep trial lengths (and terms of the return) vary from company to company (and even product to product) and are often subject to change.

Always double-check before ordering, or contact me, and I’ll check for you.

Securing Straps

Most good quality mattress toppers come with straps to secure them to the mattress and stop it from moving around.

These are usually on each corner and tucked under the corners of the mattress.

Size

Most mattress topper sizes mirror the standard mattress sizes:

  • Twin (38” x 75”)
  • Twin XL (38” x 80”)
  • Full (53” x 75”)
  • Queen (60” x 80”)
  • King (76” x 80”)
  • Cal King (72” x 84”)

Motion Isolation

Motion isolation is the ability of a mattress or mattress topper to absorb movement and stop it from transferring across the bed.

This is especially important for those who share a bed, as it reduces the disruption caused by a restless sleeper next to you.

Make sure you choose a mattress topper with good motion isolation properties if you want the best night’s sleep.

How Much Should You Spend on a Mattress Topper?

The price of a mattress topper can vary depending on the size, quality, the materials it is made from, the brand, and any organic or nontoxic certifications it carries.

As a general guide, you can expect to spend:

  • Organic / Non-Toxic Toppers: From $179 (Cheapest Twin) to $900 (Dearest Cal King). The median price for a Queen is around $450.
  • Synthetic Memory Foam Toppers: From $30 (Cheapest Twin) to $450 (Dearest Cal King). The median price for a Queen is around $80.

Is an Expensive Mattress Topper Worth It?

Yes, it is well worth spending a little extra to buy a non-toxic mattress topper. You definitely get what you pay for.

Cheap mattress toppers degrade far more quickly and soon need to be replaced. Buying cheap is a false economy when you consider the cost over the lifetime of the product.

More important is the fact that the synthetic chemicals and flame retardants contained in petroleum-based memory foam emit harmful VOCs that can cause serious health implications. You can't put a price on your family's health.

If your need isn't urgent, you can always wait for seasonal deals and discounts and get a coupon code to bring the price down.

Mattress Topper Pros and Cons

Pros

  • Adds an extra layer of cushioning and support
  • Can enhance the comfort of your mattress
  • Protects mattresses from wear and tear
  • Reduces noise associated with movement on a bed
  • Easy to remove and spot-clean
  • Can be used to soften a firm mattress
  • Can reduce pressure points for side and back sleepers
  • Absorbs motion transfer
  • Long-lasting when cared for properly

Cons

  • May not fit snugly under your existing sheets
  • It can add a significant amount of heat to your bed (if you don’t choose cooling materials)
  • It can cause allergies or skin irritations in some people (if you go down the synthetic route)
  • Can off-gas (if non-toxic or organic materials aren’t used)
  • Often too large/thick to machine wash

Frequently Asked Questions

How Often Should You Replace a Mattress Topper?

On average you should replace your mattress topper every 4 to 7 years. Factors that influence the longevity of a topper include the type and quality of materials it is made from, and how well it has been cared for.

For example, organic latex mattress toppers are more durable and last longer than synthetic memory foam alternatives. If you've cleaned your topper regularly and used a mattress protector to keep stains and spills away, this will also help to prolong its life.

Do I Need a Mattress Pad, Topper, Protector, or Encasement?

That depends on your needs. Mattress toppers go on top of the mattress and provide extra cushioning and support, but many people use some form of organic bed protector as well:

  • Mattress pads are usually thinner than a topper and give less support.
  • Mattress protectors are thin (typically waterproof) covers to protect from spills and nighttime accidents.
  • Mattress encasements fit around the entire mattress, protecting against dust mites, allergens, etc.

Can a Mattress Topper Help With Back Pain?

A mattress topper can help relieve back pain by providing extra cushioning and support. Studies show you should look for one that’s medium to firm, depending on your sleeping position and preference.

Does a Mattress Topper Make a Big Difference?

Yes, a mattress topper can make a big difference in comfort and support. It can instantly upgrade your old mattress and help you sleep more comfortably.

Look for one suitable for your sleeping position and the type of mattress you have so it fits properly and provides maximum cushioning and support.

Why are Hotel Beds So Soft?

Hotel beds are usually outfitted with soft mattresses and the best mattress toppers for extra cushioning. This ensures that guests have a comfortable night’s sleep and wake up feeling refreshed.

How do I Know if My Mattress Topper is Too Soft?

There are numerous telltale signs that your mattress topper is too soft, such as:

  • Morning backaches
  • Constantly tossing and turning
  • Morning neck and shoulder pains
  • Difficulty getting in and out of bed
  • You can feel the mattress under the topper

The Final Word

Whether you choose a firm natural latex topper or a cooling mattress topper made from synthetic materials, there are many factors to consider when choosing the best mattress topper for your specific needs.

Your budget and personal preferences should dictate which type of material you choose, as well as the size and thickness of the mattress topper.

Ensure you check the company’s sleep trial length and return policy before purchasing.

If off-gassing is an issue you’d rather avoid, I’d recommend looking for mattress toppers made from natural and organic materials.

By bearing all these factors in mind, you’ll be well on your way to selecting the right mattress topper for a great night’s sleep.

Sweet dreams!

Get In Touch

Do you use mattress toppers? Is a topper made from memory foam and latex your sleep surface of choice? Or do you prefer something more natural, like organic cotton and wool?

Do you like a thick topper? Or maybe your current mattress is so comfy it doesn’t need a topper? Drop me a line and let me know.

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James Miller
James Miller
James is an environmentalist, sustainability expert and senior editor at TheRoundup, specializing in testing non-toxic, organic and eco-friendly products. James, his wife and two daughters believe in chemical-free and zero-waste living. They aim to leave the planet in a better state than we found it, for future generations to enjoy.
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