10 Best King Size Mattress Reviews

Sleep is always essential and with that comes all the components needed for an effective sleep. One important element is always a mattress. Moreover, size often matters as it determines how well you sleep and how many people can actually fit in it.

Nevertheless, king size mattresses are often the best, depending on make and design. It all depends on your needs as most often conform to your body shape for a peaceful night and are very sturdy no matter your weight. Besides, the best king size mattresses can last over a decade without changing shape or being uncomfortable.

Best King Size Mattress

Therefore, do you want to upgrade your bedroom with a king size mattress? Then here is a guide on some of the top ten best king size mattress in the market. You can buy any one of them and your sleep will gladly improve. It all depends on your budget.

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How to Decide If You Need a King Size Mattress

King size mattresses come in two forms with four different names. There is the California King also called the Western king and the Standard king size mattress is also known as the Eastern king.

You can always opt for any of them but a standard king is not ideal for tall individuals that is 6 feet and above. In fact, it is recommended for couples as it is designed for their maximum comfort. It measures 76 by 80 inches in terms of width and length respectively.

On the other hand, the California king measures 72 by 84 inches that is width and length respectively. It is ideal for couples and its extra length makes it the best choice for tall people, 6 foot plus. It is the best choice for anyone who needs more length than width. Besides, it is the perfect fit for adjustable beds.

So, you can use these factors to determine if you really need a king size mattress

  • The number of people who will be sleeping on it or pets
  • Your height or the height of your partner
  • You bedroom space, given its length you will need a bigger room which can guarantee some left-over walking space after the bed and the mattress has been fitted
  • Your sleeping pattern and position as it is very spacious and you will definitely have some extra space for relaxing and stretching

Types of King Size Mattresses to Choose From

There are two types of king size mattresses you can choose from. One is the standard king size mattress that has a length of 80 inches and a width of 76 inches. The other one is the California king size mattress that has a length of 84 inches and a width of 72 inches.

You can always opt for one or the other depending on your budget as well as space and height. The only difference in them can be their design and construction material that often differs from mattress to mattress.

King size mattresses often come in different types. You can find it in these six types. However, you should note that in terms of firmness level, medium-firm mattresses are often the best for anyone.

  • Foam or memory foam mattresses– Mattresses made from memory foam are often considered the best as they contour to your overall body shape as well as weight. They use polyurethane high-density foam for body support
  • Latex mattress – These often use natural latex from plants or latex from petroleum-based materials
  • Air mattress– An air mattress often uses an adjustable air chamber for body support
  • Water mattress– These often use a rectangular wooden water chamber as a support system for your body
  • Innerspring mattress– This mattress consists of loads of steel coils for support. The more the coils the better the support and contour system. Besides, the springs are often covered with additional fiber and foam for support and comfort
  • Hybrid mattresses– These often combine spring and memory foam for an average and supportive mattress

What to Look For While Buying King Size Mattresses

When it comes to buying any type or form of king size mattress, always consider one of the following guides before even deciding on a king size mattress for your bedroom.

  • Research– Do some online research on this mattress size and see some of its specifications as well as the expected longevity period for some of its best designs. The more you know the better off you will be at choosing the right one with durable and steady material construction
  • Space– You should be able to fit the mattress in your bedroom without filling the whole room. Consider walking space as well as room for other things that might be needed in the bedroom before opting for this mattress and bed size
  • The number of people it will accommodate– A king size mattress is huge and can comfortably fit two people and still leave some room for one more person and a pet. It can fit at least three people without any of them disturbing or touching each other. Therefore, it is the best mattress size for married couples or just couples. However, it might be big for a single person
  • Mattress thickness– The mattress should also be thick enough to support your weight. Otherwise, you might feel like you are sleeping on concrete. This means that if you weigh over 200 pounds, always strive to buy a mattress that is 10 inches and above in terms of thickness. However, lightweight individuals should never worry about mattress thickness, as it will not affect them
  • Material construction– You can always opt for one of the six major types of mattresses for your king size bed. They often range from innerspring, futon, air mattress, latex, and water or memory foam/foam. Nevertheless, from customer reviews, memory foam/foam mattresses are often the best in terms of use and durability
  • Sleep styles– Your sleeping posture also determines the type of king size mattress to buy, as standard and California king often have different measurements in terms of width and length. Moreover, these mattresses often allow enough space for relaxing and stretching and the California king size can easily fit a 6 foot+ individual. Besides, the California king size mattress is the longest mattress with the standard one being the widest
  • Bed frame– A king size mattress is very big and huge, therefore, you should consider the bed frame before opting to buy it. The ideal frames are usually metal and wooden sleigh or platform. This allows for its steady support by the bed
  • Warranty-The longer the warranty period the better the mattress that is in terms of quality and functionality. Besides, a quality mattress should last a decade before starting to lose its firmness
  • Cost- You should always have a certain budget in place, before going to shop for a king size mattress. Besides, you should familiarize yourself with its price range depending on material used as well as level of thickness and warranty coverage

Let’s take an in depth look:

1. Tuft and Needle California King Mattress

This king size mattress is considered as the best king size mattress for all types of sleepers. It is good for back pains and different body aches as it made from adaptive foam that conforms to your body weight as well as shape without causing it to sink or be stuck.

Besides, it finds the perfect balance between being soft and hard so that you can afford to sleep comfortably on it.

Its high-quality design enables it to provide a bouncy yet supportive feel that can relieve your entire body from any kind of pressure and stress. Likewise, the bounce is often localized so you do disturb your sleeping partner.

Moreover, its adaptive foam allows you stay cool all night to ensure you have a comfortable sleep. This is because it has a 100% unique cool in temperature with gel and graphite to ensure you do not soak in on your own sweat.

This king size mattress comes with a 10-year warranty that you can actually make use of as well as a 100-night sleep trial.

What We Liked
  • It can conform to your shape and sleeping position very easily
  • It is good at relieving pressure off no matter your sleeping position
  • It comes with a functional 10-year warranty
What We Didn't Like
  • Its price is a bit high but it can last a decade or so

2. Zinus Memory Foam 12 Inch Green Tea Mattress

This king size mattress often stands out from the rest as it has a memory foam layer and pressure relieving comfort foam layer that ensures that it conforms to the natural shape of your body regardless of your sleeping position. It supports back, stomach and even side-sleepers without compromising its effectiveness to your whole body.

Besides, it has a 3.5-inch airflow high-density foam that ensures you stay cool and warm for a comfortable sleep throughout the night.  Likewise, it has a 3.5-inch airflow high-density base support system that ensures its durability as well as stability when it comes to using.

Its foam is also CertiPUR-US Certified for performance, content as well as durability.

Moreover, it is infused with green tea extracts and castor natural seed oil to naturally retard any body odor and bacteria from it as you sleep. This leaves you with its rather refreshing and natural scent.

This king size mattress comes with a 10-year warranty.

Besides, this 12-inch mattress can be compressed and rolled for easier shipping up to your doorstep.

What We Liked
  • It can naturally retard body odor and bacteria due to its natural components
  • It is highly durable and stable, can last over a decade
  • It easily conforms to your natural body shape
What We Didn't Like
  • You will have to give it at least 48 hours for it to return in its plush shape

3. Classic Brands King Mattress

When it comes to king size mattresses, this one has to top the list of most comfortable and durable. It has premium pressure-relieving memory foam as well as high-density aerated cool gel memory foam for enhanced support and comfort as you sleep.

The 2-inch ventilated cool gel foam often relieves pressure points as well as enhances airflow all over the mattress for a cool and restful night. As for its 2-inch memory foam, it contours your body thus reducing constant tossing and turning through the night.

It also has a 2-inch comfort foam and 8-inch high-density base foam that ensures you stay sound asleep with zero disturbances. Besides, you can always adjust its base and it will still reach its maximum breathability.

Moreover, this king size mattress is CertiPUR-US certified and is naturally hypoallergenic as well as antimicrobial. It is also resistant to dust mites, allergens, molds, and bacteria.

This king mattress is tailored beautifully and detailed with a stretch knit fabric cover with waterfall edges and matching knit side panels.

You will also get a bonus 2-pack shredded memory foam pillows to maximize your sleep.

What We Liked
  • It conforms to your body and relieves it from any aches and pressure
  • It is hypoallergenic and resistant to bacteria, molds and dust mites
  • It comes with two free shredded memory foam pillows
What We Didn't Like
  • It often gets really hot and can be uncomfortable, needs a place with constant air conditioning

4. DynastyMattress King Size

This medium firm king size mattress is ideally one of the best king size mattress for the money as it combines comfort and support to give you some of the best sleep nights ever.

This 12-inch king mattress has a 3-inch gel foam that allows for its breathability for a comfortable and cool sleep. You will not even toss and turn all night long. You can rely on it to give your body the rest it deserves. Likewise, it has a dual 2-inch cool airflow foam to ensure you stay cool and comfortable all night.

Besides, this king size mattress has a 5-inch high-density foam for the ultimate support of its base. You will not sink or feel stuck as you sleep on it. Its firmness levels remain constant even with the change in body weight.

Moreover, it is CertiPUR-US certified and made of a four-layer durable construction.  It also has a luxurious white cover with brown suede on its corner. The zippered covers also act as fire barriers and can be easily removed and washed.

It comes with a 30-year limited warranty.

What We Liked
  • It is made from a 4-layer construction that enhances its durability
  • It has a 120-night sleep trial
  • It comes with a convenient zippered washable cover for easier maintenance
What We Didn't Like
  • It comes with a certain odor which disappears within weeks of use

5. Linenspa King Mattress

This king size mattress is highly affordable and durable. It is an 8-inch memory foam and innerspring hybrid mattress and has a 1.5-inch layer of foam beneath its quilted top layer. This is what minimizes pressure points as well as offers support for your entire body.

Besides, the 1.5-inch foam is what makes the mattress conform to your body shape for uninterrupted sleep. It distributes your whole weight evenly for conformity purposes.

Moreover, it has a medium-firm feel due to the memory foam and innerspring combination. Its deep support system comes from steel coils that offer excellent back support and a conventional bounce system. It also has a felt pad that insulates the springs for a smooth comfort and durability.

It is CertiPUR-US Certified and measures 76 by 80 by 8 inches.

This king size mattress comes with a 10-year warranty that protects the mattress and covers against manufacturer defect. It is often compressed and shipped in a box for convenient delivery and set-up.

What We Liked
  • It is the excellent choice for back support
  • It can relieve your body from pressure, contour and support it at the same time
  • It comes with a 10-year manufacturer’s warranty
What We Didn't Like
  • It might come with a certain chemical smell which disappears within minutes or hours if your ventilation areas are wide open

6. Signature Sleep King Mattress

When it comes to king size mattresses, this mattress is considered as the ideal mattress for those with back issues. This is because it can relieve pressure focused on the shoulder areas as well as hips and feet. It helps in the elimination of motion disturbances for a comfortable good night sleep.

It is made from a 3.5-inch top layer of comfortable memory foam as well as an 8.5-inch layer of high-density foam that enables it to mold and conform to the shape of your body. Your natural sleeping position is never an issue as it can support all kinds of sleepers.

Moreover, this king size mattress is made with low VOC CertiPUR-US certified foam that is free of PBDEs, TDCPP or TCEP flame retardants, ozone depleters as well as mercury, formaldehyde, lead and heavy metals.

Moreover, it is eco-friendly, prevents constant tosses, and turns as it distributes your weight evenly for a comfortable sleep.

It includes an easy to clean soft mattress cover that is made from breathable knit fabric for a cozy and warm night.

It also comes at an affordable rate and is highly durable.

What We Liked
  • It is eco-friendly and minimizes pressure on the body
  • It conforms to the natural shape of your body
  • It is highly durable and can last for years
What We Didn't Like
  • It might take a bit of time to decompress and lose its chemical scent so be patient, maximum 48 hours

7. Best Price Mattress King Size

If you want to feel like you are floating on the clouds as you rest, then this is the best king size mattress for you. It stands out from the rest of king size mattresses because it has conforming memory foam that ensures that your whole weight is evenly distributed for a relaxed sleep.

Besides, it also adapts to your shape no matter the choice of sleeping position. It also relieves pressure points for a comfortable sleep as well as an energized wake.

It has 3-inch memory foam, 2-inch of super soft foam as well as 5-inch high-density foam. You can never ask for more when you have this king size mattress

This king size mattress is CertiPUR-US certified and comes with a 10-year warranty.

So, go ahead and improve your bedroom with this king mattress. It comes at an affordable rate and is very easy to set-up. It is rolled and packed in a way that makes its transport as well as set-up very easy. You just need to give it more time to decompress and all will be well.

What We Liked
  • It relieves pressure off your body for a restful sleep
  • It adapts to the temperature of your body and molds itself to your shape
  • It comes with a 10-year warranty
What We Didn't Like
  • It has a mild harmless smell for the first few days but it gradually disappears as you continue to use it

8. Olee Sleep King Mattress

This is one of the most comfortable king size mattresses in the market as it has highly supportive encased coil system for enhancing comfort as you sleep. These coils can also support your entire vertebrae and body for a painless sleep and wake.

This king size mattress has luxurious independently-encased steel coils which aid with equal weight distribution to relieve pressure points along your neck, shoulders, back, and hips.

The coils also ensure the mattress conforms to your entire body position as you sleep. It does not matter how you prefer to sleep, as it is designed in a manner that maximizes your sleep without constant tosses and turns for the perfect spot.

Moreover, the coils also eliminate motion disturbances. You will not feel a thing even as your partner moves all over the mattress.

Besides, it is these coils that also enhance its durability as they are protected by a multi HD and memory foam layers that also add to its unparalleled quality and incredible comfort.

It also has an I-gel memory foam for a cool and comfortable sleep.

It is affordable and can offer you the best weightless sleep for a healthy life.

What We Liked
  • It easily conforms to the shape of your body
  • It is ideal for those with back pains due to its highly-effective support system
  • It is easy to set-up and extremely comfortable all night long
What We Didn't Like
  • It has a certain odor for the first few days but it disappears after a few hours or days of use

9. Linenspa King Mattress

This king size mattress is supportive when it comes to getting rid of different kinds of back pain. It comes with a 6-inch innerspring for exceptional support as well as durability.

You can comfortably sleep on it in whichever sleeping position you want, without tossing and turning as it will easily conform to the shape of your body. Likewise, it is very effective in distributing weight all over so that you stay comfortable regardless of your size.

It is also CertiPUR-US certified and resistant to flames, making it the best option for kids too. Moreover, its quilted fabric cover and foam layer above the coils often offer a layer of cushioning at the surface for more comfort as you sleep or relax on it.

It measures 76 by 80 inches and very comfy for 6+ foot individuals.

Besides, this king size mattress comes with a 10-year warranty and is very affordable given its functionality to the body and ease of maintenance.

It comes compressed and rolled for easy shipping and set-up. However, you will need to give it time to decompress, do not be in a hurry.

What We Liked
  • It is highly durable and offers back support for those with back pains
  • It has a fire resistant barrier
  • It comes with a 10-year warranty
What We Didn't Like
  • It needs time to decompress, maybe up to 48 hours so be patience

10. Leesa Mattress King Size

This is one of the most charitable king size mattress brands as they always donate one mattress to homeless shelters across the country for every 10 that are sold. Besides, this brand has a stellar reputation of producing some top quality mattresses that can make you fall in love with a mattress.

Their designs are unique and luxurious in a way that it spikes it price to abnormal rates. However, it is all worth it as it can easily offer back, shoulder and neck support as well as other pressure point areas in your lower body for example hips and feet.

This king size mattress has three layers of high-quality foam that ensure it stays cool for a comfortable sleep. The layers also offer supportive bouncing features that contour your whole body for a restful night.

It comes with a 10-year warranty and a 100-night sleep trial.

Therefore, go ahead and invest in quality and luxury. It is the best when it comes to durable king size mattresses in the market, very stylish too.

What We Liked
  • It offers body support and can get rid of back pain or other body pains
  • It comes with a 100-night sleep trial
  • It conforms to your body for a restful sleep
What We Didn't Like
  • It is very pricey but worth it in the long-term
  • It takes time for your body to adjust to it, but this varies from individual to individual

Conclusion

Conclusively, some of the best king size mattress on the market can cost a lot but that does not mean that the less-expensive ones are not good. Therefore, the best thing to do is know what you are looking for in a mattress, is it size or durability. You can also consider the bed for it before making the purchase.

Nevertheless, some of the best king size mattresses come with a lengthy warranty as well as sleep trials. The point is that you should always go for a quality king size mattress as it can determine how well you stay asleep and how you wake up. So, invest wisely and for the long-run.

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