6 Best California King Mattress In 2019 – Reviews & Recommendations

One desire to have a peaceful, quiet and comfortable night on the bed and that which can make you meet all these is a quality comfortable mattress. You will always desire to have the best California king mattress which is a luxurious type of mattress with enough space between you and the person you are sharing the bed with.

Not only does this mattress feel luxurious, but it is also aesthetically pleasing, and that is why it commonly used in big rooms like the master bedrooms. It makes the room look elegant and pleasing to the eye. Another essential feature that makes this mattress outstanding is the fact that it gives you enough space of sleeping away from the one you are sleeping with.

This is an approximation of 36 inches from the next person you are sharing the bed with. The mattress is also 4 inches longer than the standard king mattress or any other types.

History of the California King Mattress

Sources say that David Bergeson invented it because of his long legs hanging off the bed he had. Other rumors indicate that the California king was designed before new standard foundations because celebrities wanted bigger beds; hence they came up with the name California king.

Main Differences between California King and King

They have the same names- one is known as California king while the other referred to as a standard king. They are of the same size.

The California king bed in Europe is known as the western king while the standard king is called the Eastern king.

Californian king measures 72”w by 84”L while the standard king measures 76”w by 80”L. the California bed is longer and narrower than the king size.

>>> See more: 8 Best King Size Mattress Reviews in 2019

What to Consider When Buying king Mattress

The following are measures to take into account when buying king mattress;

The comfort and Firmness

The support and firmness of the bed are well defined by the manufacturer about the details whether it is of plush, medium, firm, extra firm, etc.

Type of Mattress and the Layers

Mattresses come in different types and are identified with varying layers as innerspring, latex, memory foam, hybrid, and many other unique, distinctive features. It is essential to look out for these features and many more, and you will be ready to choose the right and best California mattress.

Durability and Warranty coverage

When you are buying a product which is expensive, you need to have a surety that the product will last longer. You need therefore to know how durable the product is. In this case, make sure you understand the durability of the mattress and its warranty too.

Comparison Table







TEMPUR - Flex Medium Mattress

SmartClimate System and dynamic support layer that maintains the temperature.



Casper Sleep Memory Foam 10 Inch Mattress, California King

100-day free trial after purchase. Four layer foam construction included.



Purple California Mattress Hyper

Top layer integrated with grids to distribute weight evenly.



Beauty Rest Silver Extra Innerspring Mattress

AirCool Foam layer that makes you feel cool all night. Ten years of limited warranty.



Cocoon Sealy Chill Mattress

The desired amount of sink and bounce included. Higher-quality Memory Foam.



Ghostbed Mattress

20-year warranty and 100-night free trial.


Reviews Of The Best California King Mattress

#1. TEMPUR - Flex Medium Mattress

This mattress is designed to give you the most desired comfort as you enjoy your sleep all night long. Made from the TEMPUR material, the material on the cushion eases out pressure and is adapted to give out support.

 It is an effect of offering out a spring comfort when you are sleeping hence giving out a sense of soothing. The mattress features a Smart Climate system that gives you a pleasant and refreshing feeling, a TEMPUR-Response layer that is designed in a way to respond quickly to your body movements and deliver a comfortable, responsive feel.

It has a moisture-wicking fabric as a top layer which takes the moisture away from you and keeps you dry all night. A new dynamic support layer underneath comprises of fully packed coils constructed to react actively to the body’s movements.

Known as one of the best California king mattresses, the TEMPUR-Flex has an Easy Refresh cover that can be zipped on and off and it measures  84” L by 72” w by 10” H. This mattress comes in hand with a warranty of 10 years, which is a guarantee of pure quality.

Comfort and Firmness

This is a medium positive mattress that consists of an active Support layer and the TEMPUR-Response layer. These layers work hand in hand in a way that the mattress responds and adjusts to the body motion. It is one of the best California king mattresses that has excellent comfort, keeps you fresh because of the SmartClimate system.

Mattress type and Layers

It has the EasyRefresh cover (layer) which can be zipped on and off easily. Therefore you can remove the cover from the mattress for cleaning and then replace it. It has a SmartClimate System layer of moisture-wicking fabric that helps draw moisture away as well as the inner layer which gives you a cooling comfort.

It is made of TEMPUR-Response material engineered to quickly adapt to the body to provide you with comfort, ease pressure and disperse of movement. Has a dynamic support layer integrated with innovative precision coils or springs that works together with the temperature-response material layer which reacts and responds to the body’s movement.

It is a thick medium positive mattress that is 10 inches thick that gives you a dynamically responsive feel all night and guarantees and gives you all sleep benefits.

When you are looking for the best California king mattress, then the TEMPUR-Flex Medium mattress is the way to go especially for those who like sleeping on their back.

 Although it may not be beneficial for those who sleep on their sides, the prima mattress has been reviewed by the majority to be the best mattress to all and the 90-night trial period has proven this. This mattress is also expensive compared to other mattresses, and it is good if you mind your budget too.

Durability and Warranty

The materials used to manufacture this mattress are high-quality materials for durability guarantee. It is durable, and it comes with a warranty of 10 years which is a limited warranty.


  • Has a 10-year warranty
  • Has a breathable fabric cover and it is a luxurious mattress
  • Has SmartClimate System that maintains temperature
  • Reduces motion transfer
  • Ability to prevent and reduce spine aches and other body pains
  • Has a unique comfort and responsiveness


  • It is a bit costly.

>>> Refer to other mattress sizes: 6 Best Queen Mattress of 2019

#2. Casper Sleep Memory Foam 10 Inch Mattress, California King

California king mattress reviews

             Via: Amazon.com

The caper sleep memory foam 10-inch mattress is an ideal mattress comprising of four distinct layers: a massive 5 inches of poly support foam, 1 ½ inch of proprietary transition foam, 1½ inches of memory foam and lastly 1½ inches of open-cell foam. These layers total up to 10 inches and these mattresses are available in all standard sizes.

Comfort and Firmness

 The Casper mattress falls under a mid-level firmness and suits all sleeping positions. It is a slightly expensive mattress. It is scientifically engineered to give you the best comfort while sleeping and guarantees you your money. It best suits all types of sleepers.

Mattress type and Layers

This mattress is mixed foam and is constructed in four distinct layers. The 5 inches poly foam gives the bottom layer durability while the 1.5 inches proprietary transition layer reacts to any pressures as well as adding the springing or bouncing effect to the mattress.

1.5 inches of memory foam gives the bed a contoured pressure relief, and on the other hand, the remaining 1.5 inches of open-cell foam provides cooling and bouncy effects making you feel fresh-fresh and comfortable all the night. The mattress consists of a top cover made of pure polyester.

Casper Sleep Memory Foam is certified under the Certi-Pur and is under the regulation of Consumer Product Safety Commission Law VOC (Volatile Organic Compound). The product is shipped in plastic, in a labelled box which is shipped one to two days of ordering and the delivery is done one to five days after for free in the United States and Canada alone. It is one of the best California king mattresses.

Durability and Warranty coverage

It comes with a 10-year warranty whereby any defects found within that warranty period guarantees a free replacement or repair minus shipping cost. Besides, when you purchase this product directly from the manufacturer, you are given a 100-night free trial whereby you are allowed a refund if the product won't meet your expectations


  • Has a 10-year warranty
  • Highly rated and has good reviews by most buyers
  • Has unique responsive foam
  • Has 100-day free trial after purchase


  • It is hard to tell whether the mattress can last because it has a short time on the market.

#3. Purple California Mattress Hyper

This mattress is made out of three layers and the user benefits because of its pressure relief, strength, the cooling effect as well as a bounce. All the layers in this mattress are all breathable; hence they don't absorb much heat.

The segments include Hyper-Elastic Polymer, Comfort foam, and the support layer. The hyper-Elastic Polymer layer is a 2 inch top layer made of a patented gel-like material woven in a grid-like pattern. The comfort layer gives the support, eases pressure and adapts to all our body shapes as well as sizes. It has a 3.25 inches layer. Lastly, a massive 4 inches support layer brings about the structure and strength of the mattress.

Comfort and Firmness Level

This is categorized as a medium firm mattress. It gives the required amount of firmness and the mixture of Lycra, polyester, and viscose which provides a regulated temperature and absorption of body moisture while sleeping. This mattress is perfect for all kinds of sleepers.

Mattress type and Layers

The purple California mattress is ranked amongst the best California king mattress because of its main features. This mattress comprises of three main layers; a hyper-elastic polymer which is the top layer, comfort foam that gives the sleeper support, pressure relief and adapts to our body shapes and sizes, and the support layer which provides the mattress with its structure and strength.

It comes with a 100-night sleep trial when you purchase it online, and if the user wishes to return the product, he can contact the customer care through their website for a pickup.

The mattress is shipped free within the 48 contiguous states of the United States of America and at cost for destinations like Alaska, Canada, and Hawaii. Shipping typically takes about 10-12 days for delivery to the buyer, and it is compressed and shipped in a vinyl tube that has handles for carrying it making it easy to carry it around when you move.

Other benefits of the purple California king as one of the best California king mattress is that because of the comfort support it has, and it helps to align the spine of the sleeper. This mattress is made scientifically with a technology that absorbs motions and movements that when you are sharing the bed with another person, you can't hear their changes. This is because the polymer grid layer integrated as the top layer.

 However, the mattress does not work well on sleeping or seating on its edges because it happens to sink on the sides. Its top layer grid design with the integration of patented materials helps to regulate temperature by promoting airflow making the mattress cooler. When you purchase this mattress, you might feel a new smell after you have unpackaged.

The smell will disappear after a few hours in a well-ventilated room. This mattress is also ideal for a couple during sex as it provides support and has bounce and it does not sink in during motion.

Durability and Warranty coverage

It comes with a non-prorated warranty of 10 years, and it is known as all-green mattress because the materials used to manufacture it can be recycled and are not harmful.


  • It provides a 10-year warranty.
  • It is of medium firmness category.
  • It provides a neutral sleep temperature.
  • It has a top layer integrated with grids to distribute weight evenly.


  • It is slightly expensive compared to other mattresses.
  • It is slightly new on the market.

#4. Beauty Rest Silver Extra Innerspring Mattress

Beauty rest mattress comprises of sophisticated technology in bringing about an enjoyable and comfortable sleeping experience. The bedding consists of fibers with real silver that makes the linen very fresh and clean.

Comfort and Firmness Level

 It has an extra firm feel or comfort and when you sleep on it still gives you a smooth and soft feeling. It is very comfortable and gives you a cozy feeling all night. The AirCool Foam makes the mattress remain cool, and the pocketed coil technology integrated provides pressure relief and separation of body movement.

Mattress Type and Layers

The mattress has a Dual Cool Technology which is supple silver enhanced fiber that prevents mildew, bacteria, and mold growing on it. Similarly, it has a GelTouch Foam layer, and the soft gel foam gives body conforming or contouring and soothing comfort.

On the other hand, the AirCool and Airfeel foam also known as the Comfort Foams that provides support when you are sleeping. They allow air to flow through the mattress when you are sleeping.

Also, the beauty rest silver mattress has an Aircool Gel Memory Foam, and the purpose of the open cell gel memory foam is to provide pressure relief, allow the body to be free, and the sleeper enjoys a comfortable sleep with the desired temperature.

The other feature that makes this be one of the best California king mattresses is that it has a BackCare Support. The pallet 490 coils added in its center third for supporting the back as well as contouring.

Lastly, the Beautyrest Pocketed Coil Technology that helps in conforming support and movement separation which is provided by several separate wrapped coils. The queen size measures 79.5 inches by 60 inches by 13 inches, and it needs a queen platform to fit and complete the set.

Durability and Warranty Coverage

This mattress comes with a 10-year warranty, and it is durable because it is of an extra-firm category. The AirCoolBeautyedge Foam layer gives the support and the stability the mattress requires. The Energy Foam base layer, on the other hand, helps in the absorption of the body's weight.


  • Has an AirCool Foam layer that makes you feel cool all night
  • It is of an extra firm category.
  • Has an AirCool Beauty edge foam layer
  • Has a warranty of 10 years
  • Has an energy Foam base


  • It is somehow expensive.
  • Have decidedly fewer reviews from buyers

#5. Cocoon Sealy Chill Mattress

Cocoon Sealy Chill Mattress is one of the best California king mattresses commonly known for its cooling feature. It is a mattress with the kind support of the body and pressure relief, and this implies that you can sleep comfortably with any sleeping position all night.

Sleepers who enjoy relaxing on their backs and stomachs will feel more comfortable using this mattress. It has firmness option of soft and firm, and it best suits those people who like memory foam.

Comfort and Firmness

The cocoon chill is a 10 inches mattress made with several layers of foam. The bed is fresh in its natural form because of its cooling cover. The structure of the mattress depends on its state of firmness (whether firm or soft).

The soft version of this mattress is made of three layers, while the firm version of it is made of just two coats. Its layer at the bottom is generally formed of dense polyurethane foam, a feature that is always found on foam mattresses.

The soft Cocoon Sealy mattress, for example, has a transition layer that is famously known to soften up the bed. On the other hand, the fast version does not have the transition layer, and you feel more substantial support.

Mattress type and Layers

 In general, the Cocoon Sealy mattress has the following features;

Premium Stretch-Knit Cover- This is an infusion of a proprietary phase change material which usually absorbs and expels heat from the bed to make it fresh all night and create a cool-to-touch surface.

Essential Support Foam- This is an integration of heavier and robust elements or materials which are indispensable in support of your body weight and make you feel relaxed.

Higher quality memory foam- Higher quality memory foam is 100 percent memory which is the top layer of the mattress that helps to adapt to the body shape, size and sleeping position.

Comfort Soft Foam- With this feature, the mattress makes you feel comfortable, warm and relaxed

Durability and Warranty Coverage

This mattress is shipped in a very easy-to-carry and move box, so you don't hassle a lot to move with it. It is best used in sweltering conditions and can reduce the pressure points to give the sleeper a comfortable and relaxed sleep. It is also affordable and can accommodate heavy people because of its density.

This mattress is suitable for back and a stomach sleeper because it is dense enough to adjust the weight and its supportive nature is useful to retain the spine in its foremost position. On the negative side, it is not good for side sleepers unless you are dense enough; otherwise it won't provide enough relief to give you comfort to sleep. It has a warranty of 10 years.


  • This is a trusted brand of mattress.
  • Has a cool surface cover
  • Comes with a warranty of 10 years
  • It is affordable.
  • Has the desired amount of sink and bounce


  • It is a soft mattress, but it appears to be firm to other sleepers.

#6. Ghostbed Mattress

best cal king mattress

      Via: Amazon.com

If you are looking for the best California king mattress, then you have to try the Ghostbed mattress. It is very soft, able to relieve pressure and still firm enough to support your spine when you sleep on your back or stomach.

It is made of a stretchy, durable combination of polyester and viscose Plush Cover. The 1.5 inches Aerated Latex Foam is a top layer that has holes that takes away body heat to give you a refreshing sleep throughout the night. The latex in this mattress also provides a bouncy feel to soothe and make you enjoy your rest.

It is integrated with a 2-inch Gel Memory Foam having larger cells than other normal cells to diffuse heat away from your body to have a refreshing sleep. Has a 7.5 inches High-Base layer of high density that makes the Ghostbed mattress to last longer.

Comfort and Firmness Level

This mattress combines the benefits of the latex and memory foam to make it more comfortable. The Ghostbed mattress has a medium firm feel which has a spiritual comfort. It has a combination of several foams to make the bed a perfect suit for any sleeper.

Mattress Type and Layers

The mattress is engineered with the most advanced adaptive memory foam gel that gives you full support during your sleeping time and an aerated top layer that takes away heat while giving you a smooth touch.  The 11 inches mattress comprises of 1.5 inches continuous aerated latex as the top layer and zippered for easy removal during cleaning, 2 inches gel memory foam for cooling and 7.5 inches high-base layer of high density for support, strength, and durability.

Durability and Warranty coverage

This high-density mattress is purchased with a 100-night free trial and can be returned to the manufacturer within 100 days upon delivery. The ghostbed mattress is very relaxed, comfortable, pressure-free and guarantees you an ache less and painless night which makes it be amongst the best California king mattress. It has a warrant of 20 years giving you a guarantee of a top quality product.


  • Has 100-night free sleep trial
  • Comes with a 20-year warranty
  • Has a memory foam layer and aerated latex to take away heat
  • Premium foams are used to make it.


  • It is too firm to suit all sleepers.

Wrap Up

If you are looking for the best mattresses around, then you have a reason to go out and look out for the best California king mattresses. These mattresses come with unique features to suit all kinds of sleepers. You have options to choose from as per your budget as well as comfort.

The best California king mattress is the one that gives you great support without aches, cools you and gives you the right amount of bounce as you sleep. There are numerous types of mattresses in the market and getting the right one is not easy. That is why it would be wise to follow what this review has since you can trust the information present for credibility.

It would also be essential for us to let you know straight on which mattress is the best when compared to all the rest and that is the TEMPUR-Flex Hybrid Prima Medium Mattress. It may seem costly at first, but when looking at the value tied on it, it will be a worthwhile venture.

Vicky Berman

I love to sleep (and I'm proud of it)! I'm on the hunt for the best, most comfy mattresses and futons on which to sleep. I founded Futon Advisors to share my research and love of sleeping with the rest of the world.

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