The Best Mold Resistant Mattress Topper

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Mattress toppers are a great way to enhance the comfort and support of your bed. They can also provide an extra layer of protection for your mattress, helping to prevent damage from spills, stains, and allergens. However, if you live in a humid or damp environment, have experienced a leak that saturated your bed, or have other issues which add moisture to your mattress, you may also need to consider the risk of mold growth.

Mattresses and bedding can be particularly susceptible to mold growth, as they provide a warm, moist environment for mold spores to thrive. One solution to this problem is to invest in a mold resistant mattress topper. These toppers are designed to resist mold growth, thanks to their unique materials and construction. By choosing a mold resistant mattress topper, you can enjoy the benefits of a comfortable, supportive bed, while also protecting your health and your home from the dangers of mold.

If you would like more information on my top picks for mold resistant mattresses, click that link and learn everything you need to know to pick the best mattress for you.

This is an information packed article and I know many of you want to cut right to the chase of choosing the best mold resistant mattress topper. I will start with my top picks but feel free to jump to any of the informational sections using the Table of Contents.

The Best Mold Resistant Mattress Toppers

Top Pick
Sleep On Latex Pure Green Mattress Topper

The Pure Green natural latex mattress toppers provide pinpointed and contoured support, which can enhance the feel of any mattress. The topper reacts instantly to every body movement to ensure comfortable and uninterrupted sleep. The open cell structure of the foam prevents the foam from retaining excess body heat.


  • Material: Latex foam made of natural latex harvested from organically grown rubber trees in Sri Lanka.
  • Price: $100 - $400
  • Thickness: available in 1", 2", or 3" thickness
  • Firmness: Soft, medium, and firm all with different benefits
  • Available in: twin, twin XL, full (double), queen, king, California king
  • Warranty: 5 years
  • Shipping and Returns: Free shipping and free returns within 30 days


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The Sleep On Latex Pure Green mattress toppers are the ones that I have used and loved for a very long time. They are amazing. So comfy. They sleep cool. I have NEVER had a mold issue even after a palm tree fell through my house and literally everything became soaked when the pipes burst. The price is right! What more do you need?


Best Overall Price
Brentwood Home Organic Latex Mattress Topper

The Brentwood Home latex mattress topper is one of the best priced options out there if you are looking for a comfortable mold resistant mattress topper. It comes it two thicknesses, each with their own benefits. The topper provides contoured support all night long and is extremely durable.


  • Material: GOLS-certified organic latex (CU861640) sourced from India and Guatemala, plus a lightweight GOTS-certified organic cotton jersey. The finished product is GOTS-certified organic. Latex contains more than 95% certified organic raw material based on total weight, with the remaining 5% comprises essential processing agents.
  • Price: $179 - $389
  • Thickness: available in 2" or 3" thickness
  • Firmness: Gentle, buoyant, and soft but supportive
  • Available in: twin, twin XL, full (double), queen, king, California king
  • Warranty: 5 years
  • Shipping and Returns: Free shipping and returns with their one year sleep guarantee


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I am a huge fan of the Brentwood Home Crystal Cove Mattress and while I have not personally used their mattress topper, my close friend has the 3″ King size topper and cannot imagine sleeping without it. She said it is so comfortable and despite a very sweaty husband, she has never had issues with mold.


Best Cotton Cover
Happsy Organic Mattress Topper

If you’re a side sleeper or prefer a plush sleeping experience, the Happsy organic mattress topper is the perfect solution. The topper is specially designed to alleviate pressure points, providing you with the ultimate comfort you deserve. Happsy has gone the extra mile to ensure that their product is sustainably made, with multiple certifications to prove it, such as GOTS and FSC. You can sleep soundly knowing that your topper is mold resistant, eco-friendly and made with the highest ethical standards.


  • Material: GOTS Organic Certified natural Dunlop latex and organic cotton cover
  • Price: range from $249 for a twin to $499 for a California king size
  • Thickness: 2"
  • Firmness: Fairly plush feeling
  • Available in: twin, twin XL, full (double), queen, king, California king
  • Warranty: 20 years
  • Shipping and Returns: Free shipping and free returns with a 120 night trial


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While I have not personally used the Happsy Organic Mattress Topper, my daughter had their mold resistant mattress and loved it! I am confident that their mattress topper is equally as amazing.


Best Variety
Avocado Green Mattress Toppers

The Avocado Green brand of mattress toppers truly has something for everyone. With 5 types of toppers to choose from, you can find a basic organic latex topper at a very affordable price all the way up to a super luxurious hybrid topper and everything in between. Their reputation for quality control is outstanding in the industry.


  • Material: Varies but options include organic latex only, alpaca and wool, or a hybrid wool latex
  • Price: $279 - $1,710 depending on size and material
  • Thickness: available in 1", 2", or 3" thickness
  • Firmness: Varies from super soft to very supportive medium firm
  • Available in: twin, twin XL, full (double), queen, king, California king
  • Warranty: The Eco Organic Mattress Topper and Alpaca Wool Mattress Topper have a one year limited warranty. The other toppers have a ten year limited warranty.
  • Shipping and Returns: Free shipping and free returns with a 100 night sleep trial


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You absolutely cannot go wrong with an Avocado Green Mattress Topper. They sell this brand at a local organic living store and I have personally gone to test this line of toppers out. Their hybrid wool latex mattress topper was dreamy. Literally. I almost fell asleep on it. The store would not allow photos but trust me when I say that that particular topper was the most perfect balance of support and comfort.


Best Wool Mattress Topper
Naturepedic Wooly Organic Wool Mattress Topper

The Wooly is perfect for those seeking a simple and elegant solution to making their mattress a touch softer or adding a layer of cloud-like fluffiness for that hotel pillowtop feel. It features thick layers of organic wool batting for supportive full-body cushioning and pressure point relief. Wool naturally regulates temperature, keeping you comfortable in both warm and cool weather. Wool is a naturally moisture-wicking material that may also help reduce sweating and clamminess while offering strong mold resistant properties.


  • Material: organic wool and 300TC organic cotton fabric
  • Price: ranges from $749 for twin to $1,199 for California king
  • Thickness: 3"
  • Firmness: Soft and fluffy
  • Available in: twin, twin XL, full (double), queen, king, California king
  • Warranty: 10 years
  • Shipping and Returns: Free shipping and free returns with a 100 night trial


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The Naturepedic Wooly Mattress Topper is unique. It is very supportive and at first, may almost seem like it is too firm. You absolutely have to give it a 30 day trial. As the wool adjusts to your body, you will notice that it becomes softer and has a much more luxurious feel to it. I LOVED this topper. It turns out that one of my cats is severely allergic to wool. I was sad to let this topper go.


Naturepedic Adagio Organic Latex Mattress Topper

The mold resistant Adagio mattress topper is perfect for those seeking a simple and elegant solution to making their mattress a touch softer or adding a layer of pressure-point relieving organic latex for the "smooth as butter" feel. Works great in combination with any firm, cushion-firm or medium mattress.


  • Material: organic latex and organic cotton stretch knit fabric
  • Price: range from $499 for a twin to $849 for a California king size
  • Thickness: 2"
  • Firmness: Soft
  • Available in: twin, twin XL, full (double), queen, king, California king
  • Warranty: 10 years
  • Shipping and Returns: Free shipping and free returns with a 100 night trial


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I have never used the Naturepedic Adagio mattress topper but the company makes high quality products and based on my experience with their Wooly topper, I imagine the Adagio is a solid choice as well.

What is a Mold Resistant Mattress Topper?

A mold-resistant mattress topper is typically made from materials that are naturally resistant to mold and mildew, such as latex, wool, and in some cases organic cotton. Some mattress toppers are also treated with antimicrobial or copper-infused materials to prevent mold growth.

In addition to being mold-resistant, a good mattress topper should also be breathable and waterproof. Breathable materials allow air to circulate through the topper, preventing moisture buildup and reducing the risk of mold growth. Waterproof materials, on the other hand, protect the mattress from spills and accidents, preventing moisture from seeping into the mattress and promoting mold growth.

When shopping for a mold resistant mattress topper, it’s important to look for a product that is made from high-quality materials and is designed to last. Some mattress toppers may be more expensive than others, but investing in a high-quality product can help you avoid the cost and hassle of replacing your bedding in the long run.

Overall, a mold resistant mattress topper is a great investment for anyone looking to protect their bedding from mold and mildew growth. By choosing a product that is made from high-quality, breathable, and waterproof materials, you can rest easy knowing that your bedding is protected from moisture and mold.

Benefits of a Mold Resistant Mattress Topper

A mold resistant mattress topper can provide a multitude of benefits for its users. Here are some of the key benefits of using a mold resistant mattress topper:

Protection Against Mold and Moisture

This is the obvious benefit as a mold resistant mattress topper can help prevent mold growth by keeping moisture away from the mattress.

Allergen Reduction

Mold resistant mattress toppers can also help reduce allergens in the bedroom. Mattresses and bedding are common places for allergens like dust mites and pet dander to accumulate. A mold resistant topper can help prevent the growth of these allergens, making it easier for allergy sufferers to get a good night’s sleep.

Breathability and Temperature Regulation

A mold resistant mattress topper made of breathable materials like wool or organic cotton can help regulate body temperature while sleeping. This is particularly important for those who tend to sleep hot or cold. Breathable materials can also help prevent the buildup of moisture, which can lead to mold growth.

Comfort and Support

A mold resistant mattress topper can provide an extra layer of comfort and support to the mattress. Natural latex toppers are particularly good at providing pressure relief and spinal alignment. A good mattress topper can also help reduce motion transfer, making it easier for couples to sleep soundly without disturbing each other.

Hypoallergenic and Antimicrobial

Many mold resistant mattress toppers are also hypoallergenic and antimicrobial. This means that they are less likely to harbor allergens and bacteria that can cause illness. Some mattress toppers even contain copper, which has natural antimicrobial properties.

Non-Toxic Materials

Many mold resistant mattress toppers are made from non-toxic materials, which is great for those who are concerned about the environment and their health. Organic latex and wool are popular choices for those who want a natural, non-toxic mattress topper.

A latex mattress topper on an organic mattress. The bed frame is a dark grey fabric. There is an end table with a white metal lamp on it.

Types of Mold Resistant Mattress Toppers

When it comes to mold resistant mattress toppers, there are several types available. Here are some of the most common types of mold resistant mattress toppers. Please note that these are not all non-toxic. I prefer to share products that do not add to the toxin load in the body but in the interest of an informative article, am sharing other types of mattress toppers in addition to my preferred non-toxic ones.

Organic Cotton and Wool Toppers

Organic cotton and wool toppers are made from natural fibers that are resistant to mold and mildew. These toppers are usually soft and comfortable, making them a popular choice for those who prefer a plush sleeping surface.

Natural Latex Toppers

Natural latex toppers are made from the sap of rubber trees and are naturally resistant to mold and mildew. They are also breathable, which helps to regulate body temperature and prevent moisture buildup.

Talalay Latex Toppers

Talalay latex toppers are made from natural latex that has been processed using a special method that results in a more consistent and durable product. These toppers are naturally mold resistant and are also breathable, which helps to regulate body temperature.

Graphite Mattress Topper

The Graphite Mattress Topper is a popular option that is designed to provide a cool and comfortable sleeping surface. This topper is made from natural latex and is infused with graphite to help regulate body temperature.

Memory Foam Toppers

Memory foam toppers are made from viscoelastic foam, which is designed to conform to the shape of the body. While memory foam toppers are not naturally mold resistant, there are options available that are treated with antimicrobial agents to prevent mold and mildew growth.

Polyfoam Toppers

Polyfoam toppers are made from synthetic foam and are not naturally mold resistant. However, there are options available that are treated with antimicrobial agents to prevent mold and mildew growth.

Gel Memory Foam Toppers

Gel memory foam toppers are made from viscoelastic foam that has been infused with gel particles. These toppers are designed to provide a cool and comfortable sleeping surface, and some are treated with antimicrobial agents to prevent mold and mildew growth.

Plush Mattress Toppers

Plush mattress toppers are designed to provide a soft and comfortable sleeping surface and are not so much a type of topper as they are a style. While these toppers are not naturally mold resistant, there are options available that are treated with antimicrobial agents to prevent mold and mildew growth.

Cooling Mattress Toppers

Cooling mattress toppers are designed to regulate body temperature and prevent moisture buildup. These toppers are often made from breathable materials like natural latex or gel-infused memory foam.

Firm Mattress Toppers

Firm mattress toppers are designed to provide a more supportive sleeping surface. While these toppers are not naturally mold resistant, there are options available that are treated with antimicrobial agents to prevent mold and mildew growth.

Features to Consider When Choosing a Mold Resistant Mattress Topper

When shopping for a mold resistant mattress topper, there are several features to consider to ensure you make the best choice for your needs. Here are some key factors to keep in mind:

Material: One of the most important features to consider when choosing a mold resistant mattress topper is the material it is made from. Look for toppers made from materials that are naturally resistant to mold, such as latex or wool. These materials are also breathable and help regulate temperature, making them a great choice for hot sleepers.

Firmness and Support: Another important factor to consider is the firmness and support of the mattress topper. Depending on your preferences, you may want a topper that is firm and supportive, or one that is plush and soft. Look for a topper that provides the right level of support for your body to help alleviate pressure points and improve overall comfort.

Breathability: A mold resistant mattress topper that is breathable is essential for a comfortable night’s sleep. Look for toppers that are made from breathable materials and have good airflow to help regulate temperature and prevent overheating.

Organic Cotton Cover: An organic cotton cover is an important feature to consider when choosing a mold resistant mattress topper. Organic cotton is free from harsh chemicals and is naturally hypoallergenic, making it a great choice for those with allergies or sensitivities.

Encasement and Waterproofing: Consider a mattress topper that comes with an encasement or waterproofing to help protect against spills and stains. This can help extend the lifespan of your topper and keep it looking and feeling like new for longer.

Easy to Clean: Look for a mattress topper that is easy to clean and maintain. Some toppers cannot be cleaned aside from vacuuming them. Being able to spot clean a mattress topper with a mold removing cleaner is important.

Lifespan: Consider the lifespan of the mattress topper you are interested in. A high-quality topper can last for several years, while a cheaper, lower-quality option may need to be replaced more frequently.

Motion Transfer: If you share your bed with a partner, consider a mattress topper that has good motion transfer. This can help prevent you from feeling your partner’s movements during the night and can help improve sleep quality.

Sleep Trial, Warranty, and Returns: When purchasing a mold resistant mattress topper, consider the sleep trial, warranty, and return policy. Look for a topper that comes with a generous sleep trial period, a warranty that covers defects, and a return policy that allows you to return the topper if it doesn’t meet your needs.

Pricing and Customer Reviews: Finally, consider the pricing and customer reviews of the mattress topper you are interested in. Look for a topper that is affordable and has positive customer reviews to ensure you are getting a high-quality product that meets your needs and expectations.

How to Clean and Maintain a Mold Resistant Mattress Topper

Cleaning and maintaining a mold resistant mattress topper is essential to ensure its longevity and effectiveness. Here are some tips on how to clean and maintain your mattress topper:

Regular Cleaning: It is essential to clean your mattress topper regularly to prevent the buildup of dirt, sweat, and other debris that can lead to the growth of mold and mildew. Use a mattress vacuum cleaner to remove any loose dirt and debris from the surface of the topper.

Spot Cleaning: In case of any spills or liquid damage, it is crucial to clean the affected area immediately. Use a non-toxic mold remover (I suggest either Remedy or Superstratum) and warm water to clean the spot. Avoid using harsh chemicals that can damage the topper’s material.

Air Out: It is essential to air out your mattress topper regularly to prevent the buildup of moisture that can lead to the growth of mold and mildew. Place the topper in a well-ventilated area and let it air out for a few hours.

Use a Dehumidifier: If you live in a humid climate, it is essential to use a dehumidifier in your bedroom to reduce the humidity level. High humidity can promote the growth of mold and mildew, which can damage your mattress topper.

Use an Air Purifier: Using an air purifier in your bedroom can help to reduce the amount of dust and other allergens in the air. This can help to prevent the buildup of debris that can lead to the growth of mold and mildew.

Protect Against Incontinence: If you or someone in your household suffers from incontinence, it is essential to use a waterproof mattress protector to protect your mattress topper from liquid damage. This can help to prevent the growth of mold and mildew and extend the life of your mattress topper. This bamboo mattress protector is a solid performer and priced reasonably.

In conclusion, cleaning and maintaining your mold-resistant mattress topper is essential to ensure its longevity and effectiveness. Regular cleaning, spot cleaning, airing out, using a dehumidifier and air purifier, and protecting against incontinence are some of the ways to keep your mattress topper clean and mold-free.

How to Prevent Mold in Your Mattress Topper

Mold can be particularly troublesome when it grows in your mattress topper or mattress. Fortunately, there are many steps you can take to prevent mold from growing in your mattress topper and mattress.

Keep Your Mattress Topper Dry

Mold thrives in moist environments, so keeping your bedding dry is essential to preventing mold growth. Here are some tips to help keep your mattress topper and mattress dry:

Use a platform to keep your mattress off the ground.

Air out your bedding regularly by opening windows or running a fan.

Use a dehumidifier to reduce humidity levels in your bedroom.

Use an air purifier to remove mold spores from the air.

Avoid spilling water or any other liquid on your mattress topper or mattress.

Dry your bedding immediately and thoroughly if it gets wet.

Protect Your Mattress Topper from Mold

In addition to keeping your bedding dry, you can take other steps to protect your mattress topper. Here are some tips:

Wash your bedding regularly in hot water to kill any mold spores.

Don’t store clothing or other items under your bed, as this can trap moisture and promote mold growth.

Consider replacing your mattress if it is old or has visible signs of mold.

By following these tips, you can help prevent mold from growing in your mattress topper. If you do notice mold, it’s important to take action right away to prevent it from spreading.

Overall, a mold resistant mattress topper can be a valuable investment for those who are concerned about mold growth in their sleeping environment. By selecting the right materials and taking proper preventive measures, you can help ensure a healthy and comfortable sleeping environment.

A mold resistant latex mattress topper on top of mattress. Bed has grey fabric bed frame.

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