Top 10 Best Cal King Mattress Reviews — Your Ultimate Guide in 2020

Tuft & Needle Mattress, California KingFinding the right mattress can be an exhausting task given the many options available. When it comes to Cal King Mattress, you know you don’t want to gamble with your comfort.

Given that an average human being spends about 30% of their life sleeping on a mattress, there is every reason to insist on finding the best that’s available.

Here is a clear comparison of some of the most talked-about Cal King Mattress brands – including an unbiased assessment on which one of them is the best.

DynastyMattress New Cool Breeze 12″ Gel Memory Foam Mattress

DynastyMattress New Cool Breeze 12-Inch Gel Memory Foam Mattress-King Size-CAL King Size

This is a fully-fledged multi-layered sleeping solution ideal for budget-conscious people looking for an entry level memory foam Cal king mattress. DynastyMattress New Cool Breeze 12-Inch Gel Memory Foam Mattress-King Size-CAL King Size is innovatively designed so as to deliver the ultimate mattress that guarantees better air circulation, pressure relief and of course comfort.

What’s more, the mattress comes in several sizes California King, King, Twin XL and Twin and if that wasn’t enough you can also buy it in Queen RV, Full, RV Short King and Queen.

  • Product
  • Features 4-layer construction including 3″ Gel memory foam, first 2″ Cool Airflow Foam layer, second 2″ Cool Airflow Foam layer and 5″ high-density foam layer as a supporting base.
  • Comes with an elegant white cover that is zippered with brown suede corners to allow for easy removal and washing.
  • Includes two matching gel pillows worth $100 absolutely free of any cost.
  • 120 day trial period so you can find out if this Cal king mattress really does live up to its name and 30-year limited warranty.
  • Excellent temperature regulation
  • CertiPUR-US certified
  • Provides relief from pain and stress and balanced comfort
  • May feel a bit too firm when new
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Sleep Innovations Shea 10-Inch Foam Mattress

Top 10 Best Cal King Mattress Reviews — Your Ultimate Guide in 2020


This is one of those mattresses that use a unique patented cell foam formulation which is meant to improve airflow. Sleep Innovations Shea 10-inch Memory Foam Mattress, Cal King is bonded with a proprietary glue to help maintain edge support – a tradition weak area of foam mattresses.

  • Product
  • Based on DuoComfort Design which provides classic comfort with a 3-inch top layer of SureTemp Memory Foam and a 7-inch deep layer comprising Support-Plus Foam.
  • Has a light cradling sensation which provides a medium feel that is ideal for back and side sleepers. In addition, this mattress is supplied with two memory foam pillows as a bonus.
  • Has 30% more memory foam than other cal king mattress brands which gives it a longer life and an added sense of comfort.
  • Every mattress is 10-inch thick and this works perfectly with headboards of all sizes.
  • Comes with no hassle 20-year warranty
  • Lasts long
  • Odorless and free of harmful chemicals or odors
  • Can be laid on bare floor
  • Is not the best choice for restless sleepers
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Californian King Tuft and Needle Mattress

Tuft & Needle Mattress, California King

This is a high performance yet affordable poly foam mattress made in the USA. Like memory foam mattresses, Tuft & Needle Mattress, California King is designed to support spine’s natural position and prevent neck and back pains. It is also designed to offer universal comfort as it is neither too soft nor too firm.

  • Product
  • Includes a 30 night trial period so in case you’re not happy with the product you can always return it.
  • Offers 10-year warranty and is proudly made in the USA.
  • Available in sizes King, Twin XL, Queen, Twin, and Full.
  • This Cal king mattress is designed to offer cool and comfortable sleep by drawing heat from the body and eliminating it through the layers while you sleep.
  • Easy and convenient return policy
  • Shipped directly from the manufacturer hence no middlemen costs
  • Easy to get in and out of the bed without disturbing sleep partners
  • Initial firmness may be too much for side sleepers
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Best Price Mattress 12″ Memory Foam Mattress

Best Price Mattress 12-Inch Memory Foam Mattress, California King

Best Price Mattress 12″ is an awesome memory foam Cal King mattress which offers an extraordinary luxury to its users from its amazing body-conforming memory foam feature. It is able to eliminate the body’s pressure points thereby providing improved, sounder and healthier sleep every single night. More so, it is CertiPUR-US approved and comes with a warranty of up to 10 years from the manufacturer.

  • Product
  • Features three layers including 2.5″ heat sensitive memory foam layer infused with charcoal to dissipate user’s body heat, 3″ pressure relief foam layer and 6.5″ high-density PU foam layer.
  • The three extra layers usually give the support you would want for a great and restorative sleep.
  • This Cal King mattress embraces the concept of Sleep Green so the comfort of your sleep surroundings is balanced with natural and safe ingredients.
  • Available in sizes California King, Queen, Full and King while the cover of the mattress is made using natural bamboo/poly blend.
  • Made available in the market for a much lower cost
  • No odor at all
  • Distributes weight evenly
  • Not available in sizes Twin XL and Twin.
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Cal King, Sleep Innovations Shiloh 12″ Memory Foam Mattress

Sleep Innovations Shiloh 12-inch Memory Foam Mattress, Cal King

This is a must have Cal King mattress. Sleep Innovations Shiloh 12-inch Memory Foam Mattress, Cal King provides you with full support during your sleep so you can enjoy your night and rest comfortably. The mattress provides medium soft to medium firm feel hence ideal for both stomach and back sleepers. It is also made of exclusive SureTemp open cell memory foam which can adjust to any kinds of shape.

  • Product
  • Made in the USA, this Cal king mattress is available in sizes King, Full, Twin, and Queen.
  • Features a DuoComfort design that offers the perfect sleeping temperature without sacrificing the therapeutic qualities.
  • The top layer is 2.5″ thick of SureTemp memory foam that offers pressure point relief and ensures improved airflow for a cooler night’s sleep.
  • The bottom layer is 9.5″ of support foam helps in keeping the mattress from sagging while balancing comfort.
  • Includes a 20-year limited warranty
  • Does not need any mattress flipping
  • Reduces tossing and turning throughout the night
  • Produces some funny smell which usually goes away with time
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Sleep Master Ultima Comfort Memory Foam 12″ Cal King Mattress

Sleep Master Ultima® Comfort Memory Foam 12 Inch Mattress, Cal King

If you want to have a very restful sleep and wake-up extremely rested, then Sleep Master Ultima Comfort Memory foam Cal King mattress from Zinus is definitely what you need. The mattress is CertiPUR-US approved for content, durability, and performance and is available in King, Twin, Queen and Full sizes. In addition, it requires at least 48 hours only to return to its original plush shape and size.

  • Product
  • Made with 3 different foam layers namely 3″ Memory Foam, 3″ Pressure Relieving Comfort Foam and 6″ High-Density Base Support Foam.
  • A 10-year limited warranty from the manufacturer.
  • Offers conforming comfort with a memory foam layer that molds to the natural shape of your body.
  • Have patented technology that allows the mattresses to be compressed, rolled and put in a box for convenient delivery.
  • Easy to open, roll out and quickly expands to original size
  • This Cal King mattress improves the quality of sleep
  • Durable and comfy
  • Has a slight odor but not harmful
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Lucid 10″ Memory Foam Dual-Layered Mattress, Cal King

Lucid 10 Memory Foam Dual-Layered Mattress, Cal King

Designed with your comfort in mind in many ways, this Cal King mattress has a medium-firm feel that relieves pressure points without feeling overly hard. From the open cell technology that ensures maximum airflow to the way Lucid 10 Memory Foam Dual-Layered Mattress, Cal King distributes your body weight evenly, this mattress can make a world difference in how you feel.

  • Product
  • This Cal king mattress has a 10-inch depth and you can buy it in a variety of sizes including Twin, Queen, Twin XL, Olympic Queen, Full XL and Full.
  • The foam is CertiPUR-USA approved for performance and safety.
  • Features 2.5 inches memory foam surface that provides extra comfort and 7.5 inches high-density foam that makes up the support base of the mattress.
  • Lucid includes a removable cozy cotton velour cover that is dust and allergen free as well as hypoallergenic.
  • Quite affordable
  • Helps in isolating motion transfer between sleeping partners
  • This Cal king mattress comes with a 25-year warranty against manufacturer’s defects
  • Have some funny smell that usually dissipates within a few days

Lucid Gel Memory Foam Mattress Review

Yotube Video Review: Lucid Gel Memory Foam Mattress Review

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LinenSpa 6-Inch Innerspring Mattress

LinenSpa 6 Innerspring Mattress, Cal King

LinenSpa 6 Innerspring Mattress, Cal King is a traditional spring mattress. A quilted fabric cover and inner foam layer provide comfortable sleep, at the same time steel coils give long-lasting support for your body. It is a good inexpensive spring mattress that ensures your family comfort and safety. Here are some of LinenSpa features.

  • Product
  • Size: Сal King
  • Dimensions: 84 x 72 x 6 inches
  • Weight: 55.5 pounds
  • Cover: Quilted fabric cover
  • Origin: China
  • Warranty: 10-year warranty
  • Price: $147.99 with free shipping
  • It ensures family safety because it has a fire resistant barrier.
  • The price is quite good for such a great mattress.
  • The cal king mattress is firm and provides the much-needed support as you sleep. The support is further enhanced by the heavy gauge tempered steel coils.
  • Due to its structure, this cal king mattress is heavy, and it is a bit difficult to move it around.
  • Its design offers a perfect environment for allergens to thrive.
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Brentwood Home Bamboo Gel 13″ Memory Foam Mattress

Brentwood Home Bamboo Gel 13 Memory Foam Mattress, Made in California, California King

Made in the USA by one of the most recognized US-based manufacturers of memory foam mattress — Brentwood Home, this is a great Cal King mattress if you have a low budget but want a quality memory foam mattress.

Brentwood Home Bamboo Gel 13 Memory Foam Mattress, Made in California, California King is made from natural Bamboo fibers, which are anti-microbial, soft and long-lasting. It is also made using CertiPUR-US foams that are free from formaldehyde, flame retardants, phthalates and heavy metals.

  • Product
  • Features a washable and removable wool-lined bamboo zipper cover that usually stretches in every direction thereby enabling you to enjoy maximum pressure relief. This cover also assists with breath-ability.
  • Has a wool lining that wicks away moisture, resists odors and helps regulate body temperatures so you stay warm in winter and cool in summer.
  • Includes a 3.5″ layer of gel infused memory foam to give you a comfortable sleeping environment by ensuring your body weight is distributed evenly so you don’t have to keep turning and tossing at night. This also relieves pressure points and keeps your spine in alignment.
  • This Cal king mattress also a ventilated airflow layer to evenly disperse heat and a solid support base that absorbs your weight to prevent noise and any kind of motion transfer.
  • Free from all harmful chemicals with a 25-year warranty
  • Available in various sizes: Olympic Queen, Short Queen, Twin XL, Queen, Full, Twin and Full XL
  • Durable and comfortable
  • Some people think it’s too soft
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Zinus Memory Foam 12″ Green Tea Mattress

Zinus Memory Foam 12 Inch Green Tea Mattress, Cal King

Ideal for side and stomach sleepers, this Cal King mattress usually responds quickly to the body shape and weight by gently conforming. Zinus Memory Foam 12 Inch Green Tea Mattress, Cal King is made with formaldehyde free making it an eco-friendly mattress.

In addition, it is made without ozone depleters, phthalates, PBDE flame retardants, lead, heavy metals and mercury hence it very safe. The mattress is also CertPUR-US approved for content, durability, and performance.

  • Product
  • Features 4 layers including 3″ Memory Foam, 3.5″ AirFlow high-density Foam, 2″ Comfort Foam and 3.5″ Airflow high-density base support foam.
  • The mattress has been infused with natural green tea extract to maintain its freshness hence does not have any odor.
  • Requires at least 48 hours only for a new Cal King Mattress to return to its original, plush shape.
  • Superbly durable
  • Affordable
  • Odor free
  • May be too soft for back sleepers

Zinus Mattress Review

Yotube Video Review: Zinus Mattress Review

Product Name Image Thickness Overall Rating Details
DynastyMattress New Cool Breeze Gel Memory Foam Mattress Top 10 Best Cal King Mattress Reviews — Your Ultimate Guide in 2020 12″ 10 Check price
Sleep Innovations Shea Foam Mattress Top 10 Best Cal King Mattress Reviews — Your Ultimate Guide in 2020 10″ 8 Check price
Californian King Tuft and Needle Mattress Top 10 Best Cal King Mattress Reviews — Your Ultimate Guide in 2020 10″ 9 Check price
Best Price Mattress Memory Foam Mattress Top 10 Best Cal King Mattress Reviews — Your Ultimate Guide in 2020 12″ 9.5 Check price
Cal King, Sleep Innovations Shiloh Memory Foam Mattress Top 10 Best Cal King Mattress Reviews — Your Ultimate Guide in 2020 12″ 8 Check price
Sleep Master Ultima Comfort Memory Foam Cal King Mattress Top 10 Best Cal King Mattress Reviews — Your Ultimate Guide in 2020 12″ 9 Check price
Lucid Memory Foam Dual-Layered Mattress, Cal King Top 10 Best Cal King Mattress Reviews — Your Ultimate Guide in 2020 10″ 8.5 Check price
LinenSpa Innerspring Mattress Top 10 Best Cal King Mattress Reviews — Your Ultimate Guide in 2020 6″ 7.5 Check price
Brentwood Home Bamboo Gel Memory Foam Mattress Top 10 Best Cal King Mattress Reviews — Your Ultimate Guide in 2020 13″ 8 Check price
Zinus Memory Foam Green Tea Mattress Top 10 Best Cal King Mattress Reviews — Your Ultimate Guide in 2020 12″ 9.5 Check price

Why Choose Cal King Mattresses?

A Cal King mattress measures 72″ wide and 84″ long making it big enough especially if you do have a partner in bed and would like to stay close. These mattresses are also great even for people who are single sleepers as they don’t have a vast width for you to attempt to fill alone. They are also great for people of all heights even those who are exceptionally tall and can fit in rooms that are long but narrow.


9.5 Total Score
Competition -- Which One Is the Best Among Reviewed and Why?

Overall, Cal King Size 2" DynastyMattress New Cool Breeze 12" Gel Memory Foam Mattress seems to be the one Cal king mattress that deserves a standing ovation on our list. That's not to say that all the others are bad – but to say that this is the one we found to offer the best value for money marginally. It enjoys 4 unique layers which give it an in-depth foundation, two free gel matching pillows are provided with every unit and most importantly you are allowed to try it for 120 days.

Of course, that is in addition to a 30-year limited warranty, which goes a long way in showing just how serious the manufacturer is about preserving consumer value.

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