The 10 Best King Size Memory Foam Mattress For 2023

Sandra Espinet By, Sandra Espinet
Updated
Zinus Foam Mattresses
Image credit: Amazon.com

Summary

1. Best Of The Best: Zinus Foam Mattresses

Zinus Foam Mattresses with its Green Tea Memory Foam and a soft shell that is covered in luxurious Jacquard fabric. With the addition of Concentrated Green Tea to keep your mattress smelling as fresh as chrysanthemum, and ActivCharocal to block moisture and odors, this mattress is ideal for those looking for a restful night of sleep. Read Review

2. Best Bang For The Buck: Vibe Foam Mattresses

Say goodbye to restless nights and hello to a great night's sleep with the Vibe Foam Mattresses. This mattress is made with the latest technology and features gel-infused active foam that keeps you cool and relieves pressure points and helps to align your spine. The Gel Memory foam responds to your body's weight and temperature and automatically adjusts, giving you maximum comfort and support. Read Review

3. Best Comfortable: Novilla Foam Mattresses

The Novilla Foam Mattresses offer plush comfort with superior support. This mattress is constructed with a four-layer system of cool and soft foam, ensuring a comfortable night's sleep. Its quality bamboo fabric mattress cover enhances breathability by 30%, keeping you cool throughout the night. Read Review

4. Best Quality: Molblly Foam Mattresses

The Molblly Foam Mattress Features an all-foam design, this mattress combines expertise and the best materials with advanced sleep technology to give you a comfortable and restful night's sleep. The memory foam benefits from continuous airflow and breathability, while skin-friendly fabrics adapt to the environment to keep the mattress surface at the ideal sleeping temperature. Read Review

5. Best Reliable: LUCID Foam Mattresses

The LUCID Foam Mattresses are perfect for a great night's sleep. Featuring Gel-infused active foam, these mattresses are designed to regulate temperature while conforming to the body for a comfortable sleep. The mattresses are compressed and rolled for easy setup and are CertiPUR-US certified for your safety and comfort. Read Review

A king-size memory foam mattress is the ultimate in king-sized comfort. It’s not just because it can be used for extended periods but also the extra support it provides. When used with a good night’s sleep, it can maintain its shape throughout the day and helps reduce pressure points that cause pressure sores and other problems with memory.

It also doesn’t feel like you’re sleeping on a mattress that could easily lose its shape overnight. That being said, as any queen should know, there are times when a king-size mattress isn’t quite right for you. If you feel confined or trapped in your home, this article may help answer your question! Read on for more information!

After extensive study and analysis over a 15 hours, We think the best king size memory foam mattress is Zinus Foam Mattresses. The Zinus Foam Mattress is a luxurious and comfortable sleeping surface that uniquely combines Green Tea Memory Foam and a soft shell Jacquard fabric. This mattress is infused with Concentrated Tea to help keep it fresh and ActivCharocal to block moisture that can lead to unpleasant odors effectively. You can consider Vibe Foam Mattresses as an alternative if you're still undecided. Other suggestions on this list are worth considering, and we've put up a helpful shopping guide to help you decide!

Our Top Picks

TOP Choice #1 Zinus Foam Mattresses
Our Score:
9.8
Zinus

General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding.General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding.

TOP Choice #2 Vibe Foam Mattresses
Our Score:
9.6
Vibe

Set Up: Simply take your mattress out of the box and enjoy watching it decompress. Jumping, walking, and sleeping on your mattress can speed up the process.

TOP Choice #3 Novilla Foam Mattresses
Our Score:
9.5
Novilla

A SAFE & COMFORTABLE SLEEP ENVIRONMENT- Mattress is made of CertiPUR-US Certified foam, without any harmful off-gassing and substances like formaldehyde, mercury, and other heavy metals. The bed mattress cover use skin-friendly rayon fabric, heavenly soft to touch. Novilla king size memory foam mattress gives you a healthier and cloud-like experience.

RELIEVES PAINS & DAMPENS PARTNER’S MOVEMENTS- Novilla 12'' gel memory foam medium firm king mattress includes 4 different foam layers. Gel memory foam is combined with comfort foam to distribute pressure and mold to your body. And the two layers high density foam that improve durability, which to give your body support for proper spinal alignment. Also to resist sagging and prevent roll-off. Whether you sleep alone or next to a partner, there is no disruption.

100-DAYS FREE TRIAL- Your mattresses purchase is not the end. We offer you 100-days free trial and the memory foam mattress king covered by a 10-year protection. Also we continute to provide professional customer care helps to address any dissatisfaction problems you may have. You can enjoy this king memory foam mattress without concerns while you are following your dreams.

COOL & HIGHLY BREATHABLE- Novilla king size mattress constructed with a 4-layer all-foam system. The foam mattress on top is a gel-infused memory foam that keeps you cool. The egg crate designed foam layer increases airflow through all areas of this king size memory foam mattress. Mattresses’ quality cover with Bamboo fabrics also enhance 30% breath-ability. Ensures you stay asleep longer with this bed mattress.

KING MATTRESS IN A BOX & FITS ALL BED FRAMES- Such fun to receive a mattress that’s rolled and compressed in a box . Follow the instructions and see how the magic happens. It is easy to set up and fits all kinds of bed frames, even on the floor. Mattress is recommended 72 hours for air out and reshape.

General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding.General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding.

4 Molblly Foam Mattresses
Our Score:
9.3
Molblly

{FIBERGLASS FREE} Once, we had used fiberglass; Long long ago, we haven't been using fiberglass any more. You and your family's health is our primary concern and protection.

{EASY SHIPPING & SET-UP}: Mattress is compressed and packaged in a box for shipping, allowing it to easily be delivered to your door and expand to its full lofty shape inside your home. They fit all frames, such as box spring, floor, slatted base, flat platform or adjustable bed, hospital bed.

{MATERIAL & CONSTRUCTION}: To improve support and heat dissipation, Molblly 14 inch Cooling-Gel Memory Foam Mattress is designed with FOUR layers all-foam system, including 2.5" memory foam, 2.5" comfortable layer, 2" soft pressure relief foam and 7" high density base support foam for ultimate comfort.

{COMFORTABLE & BREATHABLE}: All-foam bed design combined expertise and the best materials with advanced sleep technology. Memory foam conducive to continuous airflow & breathable; skin-friendly fabrics adapt to the environment to keep the mattress surface at the ideal sleeping temperature; Buoyant, no-sink support foams adapt and conform to your body for optimal pressure relief; Specialized foams reduce motion transfer of a partner so your sleep is undisturbed.

{WARRANTY}: We are a manufacturer specializing in the production and processing of mattresses, We also have professional production and R&D teams. guarantee the best price mattress you can get. Our bed mattress come with 10 years warranty. If for any reason you are unsatisfied, contact us at any time for support. NOTE: Please allow up to 72 hours after opening the mattress for any potential odor to dissipate and adjust to its final feel once the foam settles.

{HEALTH & HYPOALLERGENIC MATTRESS}: The foam has been certified by CertiPUR-US and Oeko-Tex Standard 100 without harmful substances like formaldehyde, mercury, and other heavy metals.

5 LUCID Foam Mattresses
Our Score:
9.1
LUCID

CERTIFIED FOAM - We only use CertiPUR-US certified memory foam to ensure your uncompromising safety and comfort

UNIVERSAL COMFORT- This king mattress fits well with most king beds and features a 10-inch medium-plush profile providing universal comfort for side, back, and stomach sleepers

PLACE IN ANY ROOM – Perfect for teens and guest bedrooms; king size dimensions are 79"(L) x 75"(W) x 10" (H)

GEL FOAM - Gel infused memory foam regulates temperature while conforming to the body

General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding.Set Up: Simply take your mattress out of the box and enjoy watching it decompress. Jumping, walking, and sleeping on your mattress can speed up the process.

EASY SETUP - Compressed and rolled for simple setup; this mattress in a box easily fits through narrow hallways and staircases

6 IYEE NATURE Foam Mattresses
Our Score:
8.9
IYEE NATURE

【Fiberglass free】 Once, we had used fiberglass; Long long ago, we haven't been using fiberglass any more. You and your family's health is our primary concern and protection.

[Warranty]: Iyee Nature king size mattress is a kind of mattresses specially designed and produced by us. We are a manufacturer specializing in the design and production of mattresses. We also have a professional production R&D and QC team. Our mattresses have a 10-year warranty. If for any reason you are not satisfied, please feel free to contact us. Note: Please wait up to 72 hours after opening the mattress, the mattress will return to king size mattress and eliminate the smell

【COMFORTABLE & BREATHABLE】: Iyee Nature king size mattress All-foam bed design combined expertise and the best materials with advanced sleep technology. Memory foam conducive to continuous airflow & breathable; skin-friendly fabrics adapt to the environment to keep the mattress surface at the ideal sleeping temperature; Buoyant, no-sink support foams adapt and conform to your body for optimal pressure relief; Specialized foams reduce motion transfer of a partner so your sleep is undisturbed.

【MATERIAL & CONSTRUCTION】: Iyee Nature 12 inch King size mattress gel memory foam mattress is designed with three layers all-foam system, including 2.5" gel memory foam, 2" of comfortable layer,7.5" high density base support foam for ultimate comfort.

【HEALTH & HYPOALLERGENIC MATTRESS】: The foam and memory foam materials has been certified by CertiPUR-US and Oeko-Tex Standard 100 without harmful substances like formaldehyde, mercury, and other heavy metals. You can rest assured to use a king size mattress in order to pursue a stable sleep

7 Sleep Innovations Foam Mattresses
Our Score:
8.7
Sleep Innovations

King Size Soft Memory Foam Mattress: This 14 inch memory foam mattress features ventilated Suretemp memory foam, a soft knit cover, breathable air channel foam, and a durable base layer for pressure relieving medium support in any sleep position

Committed To Great Sleep: We invented the memory foam bed in a box and continue to deliver sleep restoration today with innovative foams and fabrics; This king bed mattress comes with a 10 year warranty

Support For Every Sleeper: Whether you are a stomach, back or side sleeper, you can find motion isolation, edge support, and breathable comfort with an eco conscious Sleep Innovations memory foam bed

Cradling Comfort: This king memory foam mattress offers cloud like comfort for all sleep positions, fully supporting your back and body with proper alignment at a comfortable sleep temperature

Made In The USA: Our memory foam mattresses, mattress toppers, and pillows are all hypoallergenic and CertiPUR-US certified, offering you high quality materials for high quality sleep

8 Sweetnight Foam Mattresses
Our Score:
8.6
Sweetnight

THREE FIRMNESS LEVELS IN ONE MATTRESS FOR DIFFERENT FEELINGS - The Sweetnight king bed mattress is flippable and designed with three firm feelings from soft to firm in one mattress. The top side with gel memory foam is for those who like sleeping with a soft and medium-firm feel; while the bottom side with high-density foam is great for those who prefer a firm feeling. Flip the plush mattress to the side that best suits your preference..Set Up: Simply take your mattress out of the box and enjoy watching it decompress. Jumping, walking, and sleeping on your mattress can speed up the process.

MATTRESS IN A BOX FOR EASY CARRYING AND 10-YEAR WARRANTY - Sweetnight king mattresses are vacuum-packaged in a box and delivered to your door directly for easy setup. We recommend 72 hours for your new mattress to return to its full shape. Our firm memory foam mattresses come with a 10-year warranty. For assistance with any problems you may have, please contact our professional customer support team.

ERGONOMIC DESIGN TO RELIEVE YOUR BACK AND SHOULDER PAIN - The Sweetnight 12" king memory foam mattress is designed by curved foam construction to conform to your body shape for incredible targeted support, which makes you wake up in a freshly morning without pains or ache. Starting every day full of energy with Sweetnight high density foam mattress.

JACQUARD COVER(ONE PIECE), WITH CERTIFIED MEMORY FOAM - Differ from other mattresses, Sweetnight adopts a one-piece cover with the jacquard craft that looks modern and elegant. Eco-friendly memory foam is CertiPUR-US certified, which is assured for you to sleep on. Sweetnight is endeavored to offer safe and healthy king foam mattresses for your children and family.

GEL-INFUSED MEMORY FOAM MATTRESS FOR COOL SLEEP - Made of cooling gel-infused memory foam, which slowly conforms to your body giving you a more restful and comfortable night's sleep. Compatible with most surfaces or frames such as the floor, a slatted base, box spring or a flat platform. Cooling Mattress King Size Measures 76" W x 80" L x 12" H

9 Signature Foam Mattresses
Our Score:
8.1
Signature Design by Ashley

COOLING TECHNOLOGY: Green tea ventilated foam technology ensures temperature regulation throughout the night. This, paired with the micro cool technology cover, means you're all set to stay cool

READY FOR INSTANT ENJOYMENT: Arrives in a box. Simply unbox, cut the protective wrap, unroll and watch the mattress expand.

MEMORY FOAM MATTRESS: Get the comfort of memory foam without overheating—this mattress is equipped with gel and charcoal infused memory foam for the best night's sleep every time.Set Up: Simply take your mattress out of the box and enjoy watching it decompress. Jumping, walking, and sleeping on your mattress can speed up the process.

14" PROFILE: Designed with gel and charcoal infused memory foam for ultimate body contouring, as well as green tea support foam for pressure point relief

KING SIZE: Measures 76" W x 79.5" D x 14" H and is compatible with most king bed frames. Bed foundation, box spring and frame available, sold separately

10 OYT Foam Mattresses
Our Score:
8.0
OYT

【Comfortable & Breathable】: All-foam mattress design combined advanced sleep technology and the best materials.Quality ice silk fabrics adapt to the environment to keep the mattress surface at the ideal sleeping temperature; Sleep comfortably while reducing sweat during hot or humid weather,and give a dry contact of your skin,create a comfortable sleeping surface for a more restful night's sleep,like floating on a Cloud. Completely solved the traditional memory foam mattress HOT shortcomings.

【No Risk & Worth Recommending】:  As the brand owner and maker, the best price Mattress you can get. Our bed mattresses go with 10 years. If there is any reason you are unsatisfied with your order, please contact US at any time. Over 98% of our customers are willing to keep their King size mattress and refer it to others.

【Easy Shipping & Set-up】: Mattress in a box, this luxurious queen size mattress is compressed and smartly shipped in a box for convenient delivery and setup. They fit all King size frames, such as box Spring, floor, slatted base, flat platform. Please give it in24-72 hours to expand to its full size.

【Health & Hypoallergenic Mattress】:The foam has been certified by CertiPUR-US and Oeko-Tex Standard 100 without harmful substances like formaldehyde, mercury and other heavy metals. Do not have alarmed if you experience a “fresh foam” odor. It is harmless and will dissipate in a few days.

【No Pain & No Interference】: This medium firm mattress is composed of gel memory foam combined with comfort foam, plus high-density foam underneath, which aligns your spine and evenly disperses your body weight to relieve pressure points while you are sleeping.It absorbs movement as being opposed to transfer it across the bed. Tossing, turning, getting in and out of bed does not disturb another person, ensuring your peaceful undisturbed sleep.

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Buying Guide and Tips for better purchase of best king size memory foam mattress

Merchandise is much more than a physical item. It's the result of someone having an idea, working on it, and making it a reality. When you go out to buy, these would be the factors you should know once looking for best king size memory foam mattress.

In fact, this is not about how much it costs and what other people think of it, but whether it will suit your requirements and last long enough even for users to have your money's worth out of it. This article will inform consumers about how and why you buy best king size memory foam mattress.

Size

The size of your mattress is an important consideration. Consider the size of your room and the people you share it with. Also, think about your sleeping habits, such as active or passive sleep, body type, and the space.

Firmness

It is strongly correlated with the amount of weight used. Firmer mattresses will be more supportive and firmer overall, while those with a lighter weight will be more comfortable. There will always be a variation in the firmness between models, even when they are compared weight-wise. Before you make a purchase, ensure that you verify its stated firmness.
A scale called ILD (indentation loads deflection), can be used to measure firmness. A higher number like 12, 13 or 14 will typically indicate firmer results than 8, 9 or 8.

Other Features

You might also want additional features in your memory foam mattress. A mattress that has cooling capabilities is a good choice for those who like to sleep hot. You might also encounter special antimicrobial treatment, zonesd support and reinforced edges.

Responsiveness

Memory foam's ability to hug their bodies is what people love. Too much of a good quality thing can lead to discomfort. Memory foam mattresses that are best for you balance support with responsiveness. They react to your movements quickly and won't make it difficult for you to move around.

Lifespan & Durability

You should be able to expect a product to last a long time. You can expect a higher quality product that will last longer, so it is worth spending more on high-end mattresses. A memory foam mattress should provide seven- to ten year quality performance.

Certifications

Some memory foams may emit harmful gases from the moment they are opened. You might want to make sure that you only purchase products with safety certifications. CertiPUR US certification ensures that memory foams have no mercury, lead or heavy metals and that low levels of emissions are achieved. Another popular certification is UL GREENGUARD which evaluates chemical emissions.

Foam Type

Memory foam mattresses typically have several layers, with a base layer that supports the mattress and additional layers for comfort. Take a look at all the different types of memory foam available. Some might have cooling gel-infused foam, while others may be perforated foam to improve breathability.

Thickness

When judging the quality of your sleep, it is important to consider how thick each layer is. This will depend on the mattress manufacturer. It is a good idea to aim for a minimum of 4" in the comfort layers. However, it may be possible to split this into two layers.

Durability

Memory foam mattresses last for about seven to ten years on average. Higher-density foam lasts longer and is stronger. Your memory foam mattress can be rotated or flipped to ensure its maximum performance. Your bed's life expectancy can be extended by using mattress accessories such as mattress protectors or mattress toppers.

Density

Density is the amount of foam that has been built into each layer. However, dense does not necessarily mean high density. A higher density bed will last longer. This also means your bed could become more hot and you will need to cool it down.

FAQs

What is a King Size Memory Foam Mattress?

A King Size Memory Foam Mattress is a mattress designed with comfort in mind. It is wider and longer than a standard mattress and is made of a high-density foam material that contours to the body's shape to provide superior support and comfort.

What are the benefits of a King Size Memory Foam Mattress?

The benefits of a King Size Memory Foam Mattress include better temperature regulation, superior comfort and pressure point relief, and improved support. Memory foam mattresses are also known for reducing motion transfer, meaning you won’t be disturbed by your sleep partner’s movements.

How long does a King Size Memory Foam Mattress last?

On average, a King Size Memory Foam Mattress can last up to 10 years. However, this may vary depending on the quality and frequency of use.

How do I care for my King Size Memory Foam Mattress?

To keep your King Size Memory Foam Mattress in its best condition, rotate it every 3-6 months to prevent uneven wear and tear. Use a mattress protector and vacuum the mattress regularly to keep it clean. Avoid exposing the mattress to direct sunlight, as this can damage the foam.

Conclusion

best king size memory foam mattress are usually made of high-quality materials, come with a warranty in case something goes wrong, and have a lot of positive customer feedback. If you want to buy the best commodity for your necessities, you must first understand what characteristics or qualities constitute an "ideal" item.

You can also look into Nectar Foam Mattresses as an alternative to the options listed above. We hope that this list of excuses why investing in the best is worthwhile will assist you in making an informed decision when shopping online.


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About Sandra Espinet

Sandra Espinet
Sandra Espinet is an editor and freelance writer who loves nothing more than helping others polish their work to perfection. She has a keen eye for detail and a passion for home decorating, which she enjoys sharing with her readers. When she's not editing or writing, Sandra can be found spending time with her family or exploring the great outdoors.

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