Best King Size Memory Foam Mattress Topper (2025 Update)

When you shop through links on our site, we may earn an affiliate commission. This educational content is not intended to be a substitute for professional advice.

If you're looking for the ultimate sleeping experience, then a king size memory foam mattress topper might just be what you need. But before you start shopping for one, there are some important factors you need to consider. First off, you need to make sure that the topper is the right size for your mattress. It can be frustrating to order a topper, only to find out that it doesn't fit properly. Additionally, you need to consider the density of the foam, the thickness of the topper, and whether it features any special cooling or support technologies.

When it comes to choosing the best king size memory foam mattress topper, there are certain features that should not be overlooked. First up is the density of the foam. A denser foam will offer more support and will last longer than a lower density one. Additionally, the thickness of the topper should also be considered. A thicker topper will offer more cushioning and will be better suited for those who have pressure point issues. Lastly, if you're a hot sleeper, you might want to look for a topper that features special cooling technologies to help regulate your body temperature throughout the night.

So you might be wondering, "where can I find the best king size memory foam mattress topper?" or "how do I know which topper is right for me?" Don't worry, we've got you covered. In this article, we'll dive deeper into the world of memory foam mattress toppers, answering some of the most common questions and pointing you in the direction of some of the best products on the market. So, without any further ado, let's get started!

10 Best King Size Memory Foam Mattress Topper

# Product Image Product Name Product Notes Check Price
1
The product is ideal for enhancing the comfort and support of a king size mattress.
2
The product is ideal for adding extra comfort and support to a king-size bed.
3
The product is ideal for adding comfort and cooling to your king-size mattress.
4
This product is ideal for adding cushioning and cooling to an existing king-sized mattress.
5
The product is ideal for enhancing the comfort and support of a king size mattress with its gel swirl memory foam padding.
6
The product is ideal for adding comfort, support and cooling properties to an existing king size mattress.
7
The product is ideal for providing a comfortable and relaxing sleep experience with the added benefits of memory foam and lavender infusion.
8
This product is ideal for adding comfort and support to an existing king-sized mattress, while also providing pressure relief.
9
The product is ideal for adding comfort and support to an existing king size mattress.
10
It is an ideal premium mattress topper with high-density memory foam, gel infusion, a removable soft cover, and ventilated design for king-size beds.
The product is ideal for enhancing the comfort and support of a king size mattress.
The product is ideal for adding extra comfort and support to a king-size bed.
The product is ideal for adding comfort and cooling to your king-size mattress.
This product is ideal for adding cushioning and cooling to an existing king-sized mattress.
The product is ideal for enhancing the comfort and support of a king size mattress with its gel swirl memory foam padding.
The product is ideal for adding comfort, support and cooling properties to an existing king size mattress.
The product is ideal for providing a comfortable and relaxing sleep experience with the added benefits of memory foam and lavender infusion.
This product is ideal for adding comfort and support to an existing king-sized mattress, while also providing pressure relief.
The product is ideal for adding comfort and support to an existing king size mattress.
It is an ideal premium mattress topper with high-density memory foam, gel infusion, a removable soft cover, and ventilated design for king-size beds.

1. 2" Gel Memory Foam Topper For King Mattress

Experience Restful Sleep and Wake Up Rejuvenated with the Nelaukoko King Memory Foam Topper 2 Inch

If you are looking for a solution to enhance the comfort of your mattress, the Nelaukoko King Memory Foam Topper 2 Inch might be the answer to your needs. This foam topper is designed to provide you with a comfortable and rejuvenating sleep experience, allowing you to wake up feeling refreshed and energized.

Relieve Pressure and Support Your Body

The Nelaukoko King Memory Foam Topper 2 Inch conforms to the curves of your body, providing sufficient support and relieving pressure points. This feature makes it an excellent choice for back sleepers, side sleepers, and stomach sleepers alike. The foam topper is designed to help align your spine correctly, ensuring that you get the restful sleep your body needs.

Upgrade Your Mattress with Soft Comfort Layer

If you're tired of sleeping on an uncomfortable mattress, the Nelaukoko King Memory Foam Topper 2 Inch can help rejuvenate your bed. This foam topper is a cost-effective way to upgrade your mattress, without having to spend a fortune on a new one. The soft comfort layer of the foam topper provides a luxurious feel that will make your bed more comfortable and inviting.

Prevent Overheating with Airflow Design and Infused Gel

The Nelaukoko King Foam Mattress Topper 2 Inch features an airflow design and infused gel to prevent overheating, ensuring that you stay cool and comfortable throughout the night. The foam topper is also CertiPUR-US certified, ensuring that it is made from high-quality materials that are free from harmful chemicals. With its body impression proof design, you can be sure that the foam topper will last for an extended period without losing its shape.

Hassle-Free Purchase with 120-Day Trial and 3-Year Warranty

The Nelaukoko King Foam Topper 2 Inch comes with a 120-day trial and full money-back guarantee to ensure that you are satisfied with your purchase. Additionally, the foam topper comes with a 3-year warranty, providing you with peace of mind and protecting your investment.

2. Serta Thermagel Memory Foam Mattress Topper, King, 3-Inch,blue

This memory foam mattress topper is designed to provide both comfort and support for a better night's sleep. The gel-infused memory foam is engineered to be breathable, allowing for a cooler and more comfortable sleep surface. The addition of ThermaGel particles further enhances the cooling properties of the topper.

One of the key benefits of this topper is its ability to adapt and conform to the unique contours of the individual's body, providing customized support and comfort. This feature can help alleviate pressure points, reduce tossing and turning, and improve overall sleep quality.

In addition to its comfort benefits, this topper can also help extend the life of your mattress by providing an extra layer of support and protection. It is made in the USA and constructed with high-quality materials for long-lasting durability.

3. Mellow 4 Inch 5-Zone Memory Foam Mattress Topper, Cooling Gel Infusion, King

Introducing a 4-inch mattress pad that is designed to provide maximum comfort and an enhanced sleep experience. The pad is divided into 5 body zones to ensure that multiple points of contact provide pressure relief throughout the body. This feature is especially helpful for those who suffer from body aches and pains or who struggle with getting a good night's rest.

One of the standout features of this mattress pad is its gel infusion that helps regulate temperature and prevent the buildup of heat. This means that you can sleep cool and comfortable throughout the night, without having to worry about waking up in a sweat.

For individuals who share a bed with a partner, the responsive active suspension technology is a game changer. It isolates motion, ensuring that you and your partner can sleep undisturbed throughout the night. This feature is especially useful for those who have different sleep schedules or who are light sleepers.

The memory foam used in this mattress pad is CertiPUR-US certified, meaning that it is made without any harmful chemicals or substances. It also comes with a 3-year manufacturer's warranty, giving you peace of mind and ensuring that you are investing in a quality product.

Please note that it may take anywhere between 24 to 72 hours for the mattress pad to regain its full shape after being compressed. The expansion time may vary depending on the temperature of the room. In colder temperatures, it may take a bit longer for the pad to expand fully.

4. Cool Blue Memory Foam Mattress Topper – King

Introducing the 4-inch egg crate topper, designed to provide an exceptional sleeping experience. With increased airflow, this topper ensures a cool and comfortable night's sleep.

Please keep in mind that it may take up to 72 hours for your mattress to fully regain its shape. In warmer temperatures, the memory foam will expand faster, while in colder temperatures, it may take a bit longer to return to its original size from its compressed state.

The egg crate topper features body-conforming memory foam that offers amazing comfort and support. The gel infusion helps prevent heat from being trapped, allowing you to sleep cool and uninterrupted throughout the night.

The topper's responsive active suspension isolates motion, ensuring undisturbed sleep for both you and your partner. Plus, the CertiPUR-US certified memory foam guarantees a safe and healthy sleeping environment.

With a 3-year manufacturer's warranty, you can rest easy knowing that you have invested in a high-quality product. Please allow up to 72 hours for the topper to fully rise before use.

Upgrade your sleeping experience with the 4-inch egg crate topper and enjoy a cool, comfortable, and uninterrupted night's rest.

5. Gel Swirl King Mattress Topper By Linenspa

Upgrade your sleep experience with this plush 3 inch memory foam topper. Designed to add an extra layer of comfort to your old mattress, this topper is suitable for all types of sleepers including back, stomach, and side sleepers.

Made of high-quality CertiPUR-US certified gel-infused memory foam, this topper guarantees a comfortable and restful sleep. The gel infusion helps regulate temperature and keeps you cool throughout the night.

Choose between the 2 inch or 3 inch mattress topper King profiles to find your preferred amount of comfort. Both options provide excellent support, pressure relief, and motion isolation for an undisturbed sleep.

Setting up this mattress topper is easy and hassle-free. Simply lay it on top of your old mattress and allow it to expand for 48 hours. Please note that colder temperatures may take longer for the topper to fully decompress.

Rest assured that you're making a wise investment in your sleep with this high-quality mattress topper. Upgrade your old mattress to the next level and enjoy a comfortable and rejuvenating sleep every night.

6. Gel-Infused Memory Foam King Size Topper.

Experience a luxurious and comfortable sleep with LINSY LIVING's Gel Infused Swirl Mattress Topper. This topper is designed to provide a cooling sensation, thanks to its cooling gel beads that dissipate heat away faster and regulate your body temperature. The swirl pattern of the topper creates a wave-like effect that feels like you're surfing, giving you a whole new level of sleeping experience.

Made of high-density memory foam, this mattress topper is guaranteed to make your bed softer and more comfortable, while also improving the overall quality of your sleep. Its slow rebound feature allows the foam to conform to your body shape and relieve pressure points, ensuring you a good night's rest.

If your old mattress has lost its original comfort and support, it's time to upgrade with LINSY LIVING's king mattress topper. With its soft and cozy texture, you'll be able to take your sweet dreams back without breaking the bank.

This CertiPUR-US certified mattress topper has passed strict tests for smell, material, performance, and durability. You can rest assured that you're getting a safe, high-quality product that meets industry standards.

LINSY LIVING values customer satisfaction, which is why they offer a 30-day trial and a 10-year warranty for all their customers. If you have any questions or concerns about the gel mattress topper, their customer support team is available 24/7 to assist you.

Upgrade your sleeping experience today with LINSY LIVING's Gel Infused Swirl Mattress Topper, and enjoy a more comfortable and luxurious sleep every night.

7. Mellow 3 Inch 5-Zone Memory Foam Mattress Topper, Soothing Lavender Infusion, King

Introducing the 3 Inch Breathable Memory Foam Pad with 5 Body Zone Layer, the ultimate solution for a comfortable and relaxing sleep. This product is designed to provide maximum comfort by creating different points of contact that prevent tossing and turning throughout the night.

The memory foam pad is infused with lavender, known for its calming and relaxing properties. This feature guarantees a peaceful and deep sleep, allowing you to wake up rejuvenated and energized for the day ahead.

Crafted with premium quality CertiPUR-US certified memory foam, this pad is safe, durable, and long-lasting. CertiPUR-US certification assures that the product does not contain any harmful chemicals and meets rigorous standards for content, emissions, and durability.

The product dimension measures (L) 79 inches x (W) 75 inches x (H) 3 inches, making it compatible with most bed sizes. The manufacturer provides a 3-year warranty, ensuring the product's quality and longevity.

Upgrade your sleep experience today with the 3 Inch Breathable Memory Foam Pad with 5 Body Zone Layer. Enjoy a peaceful, comfortable, and refreshing sleep every night.

8. Linsy Living Memory Foam Mattress Topper – King.

Experience a comfortable and restful sleep with the LINSY LIVING Dual Layer King Size Mattress Topper. This mattress topper features a combination of 1 inch of supportive firm foam and 2 inches of gel memory foam, providing a balanced firm feeling and contouring to your body without letting you sink in too much. Additionally, the topper is reversible, offering an extra firm option if needed.

The top layer of the mattress topper is made of cooling gel swirl memory foam, infused with thousands of cooling gel beads to regulate your body temperature and help you sleep soundly. The memory foam layer contours to your body, providing pressure relief to your joints and muscles.

The LINSY LIVING mattress topper is encased in a luxurious Tencel fabric cover, which is often used on high-end products due to its softness, breathability, and cooling touch. The cover is removable and machine washable, which helps to extend the life of the topper and keep it fresh and clean.

Safety and quality are top priorities for LINSY LIVING, which is why this mattress topper has been certified by both CertiPUR-US and STANDARD 100 by OEKO-TEX. These certifications ensure that the materials used in the topper are safe for human use, and that the topper has been rigorously tested for performance, durability, and material quality.

The bottom of the mattress topper features anti-slip particles to increase the friction between the topper and your mattress, and four corner straps keep the topper securely in place. LINSY LIVING offers a 30-day trial period and a 10-year warranty, so you can trust that you are making a wise investment in your sleep quality. If you have any questions or concerns, their 24/7 customer service team is always available to assist you. Upgrade your sleep experience with the LINSY LIVING Dual Layer King Size Mattress Topper.

9. Linenspa 3 Inch Memory Foam Mattress Topper, Gel Infused King Mattress Topper, Certipur-Us Certified

Experience a personalized level of comfort with the Plush Gel Infused Memory Foam Mattress Topper that conforms to your body's curves. The topper is available in 2 or 3-inch profiles to cater to your specific needs. To ensure that the mattress topper expands to its full size, please allow 24 to 72 hours. The expansion time may vary depending on the temperature of the surrounding environment. Memory foam expands faster in warmer rooms than in colder ones. Therefore, if you receive the product in cold temperatures, it may take a bit longer to expand.

Pair your memory foam gel topper with a mattress topper cover to enhance its comfort and protect it from wear and tear. Alternatively, you can order the topper on its own. Either way, you can be assured of a comfortable and protected sleeping experience.

Rejuvenate your old mattress, soften a firm one, or prolong the life of your mattress with a protective layer of gel-infused memory foam. The mattress topper's plushness provides added support and comfort to enhance your sleep quality.

Setting up your gel-infused mattress topper is quick and easy. The topper arrives compressed, and setting it up takes only four simple steps. First, open your package, then unroll the mattress. Next, cut the plastic and allow 24-48 hours for the topper to expand fully. For cooler temperatures, allow extra time for expansion.

You can sleep soundly knowing that your mattress topper is CertiPUR Certified, indicating that it is of high quality and meets the industry standards for safety and performance. The topper is available in a full range of sizes, ensuring that you get the best of the best in gel-infused memory foam mattress toppers.

10. King Gel Memory Foam Topper With Cover

Introducing the King Mattress Topper, designed to add an extra layer of comfort to your too-firm or aging mattress. This 2” gel memory foam topper has all the softness you love, making it the perfect way to upgrade your sleeping experience.

Experience hotel-quality comfort with the gel-infused topper that utilizes open-cell technology, ensuring proper airflow throughout the night. This feature guarantees optimal temperature regulation, keeping you cool and comfortable all night long.

The mattress topper is made from dense memory foam that contours to your body curves and cradles your pressure points, providing excellent support while you sleep. With the contouring support of this topper, prepare to wake up refreshed and energized every day.

The removable soft cover of the mattress topper ensures easy maintenance, allowing you to keep it clean and fresh. It also comes with non-slip straps to keep the topper in place, ensuring it stays put throughout the night.

The BedStory memory foam mattress topper comes with CertiPUR-US foam, ensuring that it is free of harmful chemicals. Additionally, the manufacturer covers manufacturing defects, giving you peace of mind with your purchase.

Upgrade your sleep with the King Mattress Topper, and experience a level of comfort you never thought possible.

Best King Size Memory Foam Mattress Topper FAQs

Are there any king size memory foam mattress toppers that are hypoallergenic?

Yes, there are king size memory foam mattress toppers that are specifically designed to be hypoallergenic. Hypoallergenic mattress toppers are made with materials that are resistant to allergens, such as dust mites, mold, and mildew. They are a great option for people who suffer from allergies or asthma.

When shopping for a hypoallergenic memory foam mattress topper, be sure to look for materials such as bamboo, cotton, or polyester that are treated with antimicrobial or hypoallergenic treatments. These materials can help reduce the presence of allergens and make for a more comfortable sleep. Additionally, look for memory foam toppers that are CertiPUR-US certified, which means they are free from harmful chemicals and meet environmental and safety standards.

Some popular brands that offer hypoallergenic memory foam mattress toppers include Sleep Innovations, Lucid, and ViscoSoft. Make sure to read product reviews and check the product specifications before making a purchase to ensure that you are getting the best hypoallergenic memory foam mattress topper for your needs.

Are there any king size memory foam mattress toppers that are made in the USA?

Yes, there are king size memory foam mattress toppers that are made in the USA. One example is the Sleep Innovations Gel Memory Foam 4-inch Dual Layer Mattress Topper. It features a 2-inch quilted fiber-fill cover on top of a 2-inch gel memory foam layer, providing both comfort and support. Another option is the ViscoSoft 4 Inch Pillow Top Memory Foam Topper, which is also made in the USA and features a plush pillow top layer on top of a supportive memory foam layer. Both of these toppers are available in king size and are made with high-quality materials to ensure durability and longevity. It's always a good idea to read reviews and compare products before making a purchase to ensure you are getting the best product for your needs.

Are there any king size memory foam mattress toppers that come with a warranty?

Yes, there are many king size memory foam mattress toppers available in the market that come with a warranty. In fact, most reputable brands offer some form of warranty or guarantee for their products. The length and terms of the warranty can vary depending on the brand and model of the topper. Some may offer a limited warranty for a certain number of years, while others may offer a full replacement or money-back guarantee.

It is important to carefully read and understand the terms of the warranty before purchasing a memory foam mattress topper. This can help you understand what is covered and what is not, as well as the process for making a claim in case of any issues with the product. Additionally, it is important to properly care for and maintain the topper to ensure that it lasts for its full lifespan and to avoid voiding the warranty.

Can a king size memory foam mattress topper fit on any type of bed frame?

Generally speaking, a king size memory foam mattress topper should fit on any type of bed frame that is designed to accommodate a king size mattress. However, there are a few things to keep in mind. First, make sure that your bed frame is the correct size for a king size mattress. If your bed frame is too small, the mattress topper may not fit properly or may hang over the edges, which could be uncomfortable or cause it to shift during the night. Additionally, you'll want to make sure that your bed frame is sturdy enough to support the added weight and thickness of the memory foam topper. In some cases, a flimsy or lightweight bed frame may not be able to adequately support a heavy mattress topper, which could lead to sagging or other issues. Overall, as long as your bed frame is the correct size and sturdy enough to support the added weight and thickness of the memory foam topper, you should be able to use it without any problems.

Can a king size memory foam mattress topper help with back pain?

Yes, a king size memory foam mattress topper can definitely help with back pain. Memory foam is a material that conforms to the shape of your body, providing support and cushioning where you need it most. This means that when you sleep on a memory foam mattress topper, your body weight is evenly distributed across the surface, reducing pressure points and promoting proper spinal alignment. As a result, your back muscles can relax and heal while you sleep, reducing the likelihood of waking up with pain and stiffness.

It is important to note, however, that not all memory foam mattress toppers are created equal. When shopping for one, be sure to choose a high-quality topper that is made from dense, supportive foam and features a thickness and firmness level that is appropriate for your sleeping position and body type. Additionally, it's always a good idea to consult with a healthcare professional if you are experiencing chronic or severe back pain, as there may be underlying issues that require medical attention.

How thick should a memory foam mattress topper be for a king size bed?

When it comes to choosing the thickness of a memory foam mattress topper for a king size bed, it ultimately depends on your personal preference and needs. The most common thicknesses for memory foam mattress toppers are between 2 to 4 inches.

A 2-inch memory foam topper may be suitable for people who are looking for a slight upgrade to their existing mattress or who want to add a layer of comfort without drastically changing the firmness of their bed. A 3-inch topper can provide a more significant upgrade in comfort and support, making it a better option for those who require more cushioning or have pain issues.

If you have a particularly firm mattress or suffer from chronic pain, a 4-inch topper may be the best choice. It will provide the most cushioning and support, helping to alleviate pressure points and improve your overall sleep quality.

Ultimately, the decision on the thickness of a memory foam mattress topper for a king size bed should be based on your personal preferences, needs, and budget.

What are the top-rated memory foam mattress toppers in king size?

There are several top-rated memory foam mattress toppers available in king size. Some of the most highly recommended options include the Tempur-Pedic TEMPUR-Topper Supreme, the Sleep Innovations 4-Inch Dual Layer Mattress Topper, and the Lucid 3-Inch Gel Memory Foam Mattress Topper.

The Tempur-Pedic topper is made with the brand's signature TEMPUR material, which conforms to your body for personalized comfort and support. It's also designed to reduce pressure points, making it a great choice for those with joint pain.

The Sleep Innovations topper features a dual-layer design, with a 2-inch quilted fiberfill layer for cushioning and a 2-inch memory foam layer for support. It's hypoallergenic and machine washable, making it easy to care for.

The Lucid topper is infused with gel beads to help regulate temperature and keep you cool while you sleep. It's also ventilated to increase airflow and prevent the build-up of moisture and odors.

Ultimately, the best mattress topper for you will depend on your individual preferences and needs. Consider factors like firmness, thickness, and materials when making your decision.

What is the best brand for king size memory foam mattress toppers?

There are several reputable brands that offer high-quality king size memory foam mattress toppers. One of the most popular brands is Tempur-Pedic, known for their advanced memory foam technology and superior comfort. Another top brand is Sleep Innovations, which offers a variety of memory foam mattress toppers with different thickness levels and densities to suit different preferences. Other notable brands include Lucid, Zinus, and DreamFoam, all of which have received positive reviews for their memory foam mattress toppers.

When choosing a brand for your king size memory foam mattress topper, it's important to consider factors such as the density of the foam, the level of support it provides, and the overall comfort level. Additionally, you may want to read reviews and compare prices to find the best option for your budget and needs. Ultimately, the best brand for you will depend on your specific preferences and requirements, so it's important to do your research and choose a reputable brand that offers the features you're looking for.

What is the best density for a king size memory foam mattress topper?

The best density for a king size memory foam mattress topper depends on personal preference and sleeping habits. Generally, a density of 3 to 4 pounds per cubic foot is considered ideal for a memory foam topper. This density provides a good balance between comfort and support. A lower density may feel too soft and not provide enough support, while a higher density may feel too firm and uncomfortable.

However, it's important to note that personal preference plays a significant role in selecting the best density for a memory foam topper. Some people prefer a softer feel and may opt for a lower density, while others may need more support and prefer a higher density. It's recommended to try out different densities and see which one feels the most comfortable and supportive. Additionally, factors such as body weight, sleeping position, and any underlying health issues should also be taken into consideration when selecting a memory foam topper.

What is the price range for a high-quality king size memory foam mattress topper?

The price range for a high-quality king size memory foam mattress topper can vary depending on various factors such as brand, thickness, density, and additional features. Typically, a good quality king size memory foam mattress topper can range from $100 to $400 or more. If you're looking for a basic memory foam topper with a thickness of 2 inches, you can expect to pay around $100 to $150. However, if you're looking for a denser and thicker topper, such as a 4-inch or 5-inch thick topper, the price may go up to $300 or more. Some high-end brands with additional features, such as cooling technology or hypoallergenic properties, can cost as much as $400 or more. It's important to do your research and read reviews before making a purchase to ensure you're getting the best value for your money.

How useful was this post?

Click on a star to rate it!

Average rating 0 / 5. Vote count: 0

No votes so far! Be the first to rate this post.

Sharing is caring!