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Classic Brands Cool Gel Ventilated Memory Foam 12-Inch Mattress | CertiPUR-US Certified | Bed-in-a-Box, California King

  • Based on 2,201 reviews
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Availability: Only 1 left in stock, order soon!
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Arrives Wednesday, Jul 15
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Item Thickness: 12 Inches


Size: California King


Features

  • Ergonomic Support & Comfort: Designed with a high-density foam base & breathable comfort foam layer, this memory foam mattress adapts to your body for superior support. It evenly distributes weight, reduces pressure points, and enhances relaxation.
  • Pressure-Relieving Medium Firm Support: This medium firm cali king memory foam mattress offers high-density support that cradles pressure points, promotes spinal alignment, and reduces discomfort, making it ideal for back, side, and stomach sleepers.
  • Breathable Open-Cell Design for Cooling: Features a ventilated open-cell structure that enhances airflow & heat dissipation. This california king bed mattress ensures a cool and comfortable sleeping environment all night long, preventing overheating.
  • Proudly Made in the USA: Our cali king mattress bed is expertly crafted with eco-friendly, CertiPUR-US certified materials - free from harmful chemicals or fiberglass. Enjoy premium comfort, safer sleep, and peace of mind night after night.
  • CertiPUR-US Certified: Fiberglass-free & certified for durability, emissions, and performance. Our luxury medium firm mattress cali king meets strict standards for emissions, durability, & performance, offering peace of mind with every night's sleep.
  • Available in Multiple Sizes: Cool Gel Memory Foam Mattress California King dimensions: 84 x 72 x 12 inch. Our Memory Foam Bed Mattresses are available in King Mattress, Queen, Full Mattress, Twin XL, & Twin Mattress as well as 8, 10, 12, & 14-inch Depths.

Description

The 12-inch profile Cool Gel Mattress has Gel-Infused Memory Foam and is designed for the ultimate in comfort and support. Starting with breathable Cool Gel memory foam, this layer disperses body heat and creates a cooler sleeping surface while retaining the pressure-relieving properties of traditional memory foam. Two layers of Poly Gel-Supportive Foam provides support for the Gel Foam layer. The support base layer maintains the strength and effectiveness of all three layers. Covered with a beautifully detailed corded waterfall edge and knit sides for breathability, the 4-way stretch conforms to your body for comfort working with the top layer of gel memory foam to optimize its contouring properties

Brand: COOL GEL


Size: California King


Product Dimensions: 80"L x 39"W x 12"Th


Item Weight: 0.01 Ounces


Item Firmness Description: Firm


Top Style: Tight Top


Cover Material: Polyester, viscose, or blend


Number of Layers: 3


Fill Material: foam


Weight Limit: 1000 Pounds


Item Firmness Description: Firm


Number of Layers: 3


Weight Capacity Maximum: 1000 Pounds


Additional Features: Cooling


Construction Type: Gel Memory Foam


Is Customizable?: No


Portable: No


Is Foldable: No


Size: California King


Item Dimensions L x W x Thickness: 80"L x 39"W x 12"Th


Item Weight: 0.01 Ounces


Item Thickness: 12 Inches


Item Dimensions: 84 x 72 x 12 inches


Item Depth: 12


Cover Material: Polyester, viscose, or blend


Fill Material: foam


Product Care Instructions: Spot Clean Only. A mattress protector is always recommended to protect your mattress from spills or stains. See Manufacturers Care Instructions Tag for further details.


Mattress Comfort Layer Material: Gel Memory Foam


Material Type: Gel Foam


Brand Name: COOL GEL


Model Name: Cool Gel


Product Benefits: Reduces motion transfer, promotes relaxing sleep, and relieves pressure points


Model Number: 410079-1170


UPC: 849986012320


Mattress Type: Standard Mattress


Global Trade Identification Number: 20


Manufacturer: Classic Brands


Manufacturer Warranty Description: 10 year warranty.


Set Name: California King


Manufacturer Part Number: 410079-1170


Unit Count: 1.0 Count


Included Components: 1 12-Inch Cool Gel Mattress


Age Range Description: Adult


Item Type Name: Bed Mattress Conventional


top-style: Tight Top


Color: White


Shape: Round


Style Name: 12-inch


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Jul 15

Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Super comfy and worth the $!
Item Thickness: 12 Inches Size: California King
Awesome, we love it!!! We needed a new mattress and had a super tight budget. And thus began the mattress in a box search.....after reading loads if reviews we decided to give this one a go and we are NOT disappointed. Obviously everyone is different but my hubby and I are both comfortable and sleeping better on this mattress than we have been or slept in a loooonnng time. It's not too soft so you don't sink way in but it's not rock hard either. We let the mattress hang out in the box for a couple days since it was cold outside when it was delivered. Once we opened the box the mattress plumped right up to it's full height with no weird un-plumped spots and no weird smells. Been using the mattress just over 3 months at the time of this review. We would highly recommend this if you're on a tight budget and still desire a super comfy mattress! ... show more
Reviewed in the United States on June 21, 2025 by RJG

  • Reliable
Item Thickness: 12 Inches Size: Twin
Easy to install. Was able to have it right ontop of a metal bed frame and nothing in between. Slept on it the same night I 'installed' it. Very comfortable and cool. Looks like it is small when box comes in, but it expands the moment the plastic comes off. I sleep comfortably on it, 110 lbs and my 60 lbs dog too. No dipping of the mattress despite nearly 200 lbs on it. Very quiet, without a mattress protector. ... show more
Reviewed in the United States on June 30, 2026 by Alma

  • This is so far a great mattress, especially for the price, even after several months
Item Thickness: 12 Inches Size: California King
This is so far a great mattress, especially for the price. I am sitting here watching commercials for $3000 memory foam mattresses. I am 250 lbs and if you like a firm mattress this is for you. I have been sleeping on this for about 2 weeks and can only say it is awesome. My story may be different in a few months, but this is keeping its shape and coolness when I sleep. You sink in just enough and then you are supported very nicely. I will look to review it after 6 months. The chemical smell was negligent except for like 1 hour maybe. It was fully expanded within about 2 hours. The zip cover comes off easily and washed nicely in cold water. 6 month update: mattress is the best purchase I have ever made for bedding! The price is why I was skeptical, but it has been totally worth it. Not only does it still have the shape as if it was new, I am enjoying zero back pain too. I have been sleeping the night through and never wake up stiff or sore. 1 year update: I have been sleeping on this mattress nightly for over a year and almost a half and can testify that it is still the same as the first day i bought it. The price is always almost too good, but I would buy this again. I am 250 pounds and have not made a dent in this thing. It is firm, but you are supported and just sink in a little. ... show more
Reviewed in the United States on July 15, 2017 by Patrick

  • It's worth the money!
Item Thickness: 12 Inches Size: California King
Very comfortable. Most of the time you can't feel your partner move!
Reviewed in the United States on April 17, 2026 by Robyn Barthels

  • different sizes have different firmnesses
Item Thickness: 12 Inches Size: Twin
so, ive purchased both the twin 12 inch (labelled as "mattress" in size selection) and full size 12 inch (labelled "12 inch" in size selection), and i personally find them both nice mattresses for sleeping on solo. everything was super easy to open and set up. i let 'em rise for 24 hours and there was no super strong warehouse smell (though if you pressed your face into it without a sheet you could still get a whiff of plastic for like...a week. this wasnt an issue for me though) the twin was PRETTY FIRM for a memory foam mattress. i liked it alot, there was no sinkage or pit that formed when more than one person sat on it. it is for this reason that, when i decided to size up to a full so i had more room to sleep with my partner, i bought the same brand thinking itd be the same firmness, especially considering (unless im a dunce and missed it...) i didnt see any options to choose a firmness or specifications on the item listing FOR firmness (i.e. all i had to go on were reviews, many of which mentioned the mattresses being pretty firm for memory foam) the full size i got was VERY SOFT. like, much much MUCH softer than the twin i had. im fine with this when im sleeping by myself- its not like theres NO support, its just not as nice for sleeping with another person next to you because it IS soft enough that a dip will form under the heavier person. im not the pickiest about beds and firmness and all that, i still like both of the ones i got, and theyre great for the price i got 'em for sure. was just a tad disappointing finding out that the firmnesses arent standard accross all sizes and (as far as i could tell) theres no specifications saying which are what firmness. i didnt expect either bed to be permanent for me, which is why i only spent 350 on a full sized mattress, so its not like im too beat up about it. by myself, the full is plenty comfy and i expect it to last the few years i need it to. its just worth mentioning that the firmness can be kinda... unpredictable i geuss? 🤷♂️ ... show more
Reviewed in the United States on July 12, 2024 by milo hebert

  • Great value for the price! Great value for the price!
Item Thickness: 12 Inches Size: Twin
I was somewhat apprehensive of the "mattress-in-a-box" concept at first, but conceded after moving into a third floor apartment. I had originally purchased two more of these from Walmart, but found the third one cheaper on Amazon, also with a faster delivery time, in which it arrived quickly, as expected, and fully expanded to a full 12 inches within an hour. (WARNING - Do not purchase the 12 inch mattress for a top bunk, as it will make the guard rails disappear and kids will fall off!! There are 8 and 10 inch mattresses available!) It is on the firmer side, but provides great comfort and support for the money. There are no springs, it can also be eventually vacuum sealed back up for transporting, and is light and flexible enough for one person to maneuver alone. There is not much of a break-in period, if you are not accustomed to a firm mattress give it a few days, and if you are you will not be disappointed. I have not noticed the mattress gets hot, nor can I ever feel when someone else is moving around on the bed. I have read reviews of the mattress only lasting about a year, but we are not there yet, and I have not seen any indication of any problems so far, and you can't beat the convenience of the portability and value for the price. ... show more
Reviewed in the United States on June 29, 2019 Reviewed in the United States on June 29, 2019 by Jennifer Harrison

  • So comfortable, I bought 3 of them.
Item Thickness: 12 Inches Size: Twin
I was a bit concerned when buying my 1st foam mattress about heat and stickyness with memory foam. I went through several pillows over the years that just didnt work out because they got so warm during the night and id wake up with half my head covered in sweat. I didnt want to risk that with a bed. After reading up about the "newer" gel foam mattresses I decided to try one out. The first was for my daughter when I bought my house and she was ready to upgrade to a larger bed. I purchased her one of these in a FULL size and it was amazing. I set it up in living room and let it air out for 2 days to properly inflate and let the gases escape. Then I tried laying on it and was in heaven... She absolutely loves the bed and has been using it since Nov 2019. When it was time for my 4yo to move from toddler bed into his own TWIN, I got him one of these as well. And he talked about how much more comfortable his new bed is than my old bed for quite some time. This time around, I purchased one for my garage... I work overnights and have been using a couch in my garage (I have a game room set up as well) to sleep on during week so the kids doint have to be quiet in the house while im asleep during day. I am so happy to have my own. Next purchase will be a Queen for my master bedroom. I have a pillow top Cal King now we bought 12+ years ago but out new house has smaller bedrooms and while we put off buying another mattress due to how much we paid for the bed (about 2K), its about time now and the Cool Gel QUEEN is only about $400 when they have them in stock.. Total bargain for the superior quality and comfort. ... show more
Reviewed in the United States on April 10, 2022 by E_The_Real_Dragon

  • Replaced my sleep number with this and it lasted a year
Item Thickness: 12 Inches Size: California King
As a 5'5 woman who worked as a firefighter for 15 years, it's a gross understatement to say my body has taken a beating. In my 40s, I've developed arthritis in my back and hips and gaining 40 pounds after having kids didn't help. I've slept like poop for so long, I can't remember having a good night's sleep or even waking up without being in a decent amount of pain. We bought our sleep number bed 11 years ago and never really got good sleep on it. My 260# 6'5 husband had no issues but lately he's been waking up with back pain, too. Sleep number told us we needed new foam and it would be $300 to replace it. PLUS the air chambers leaked. I'm done throwing money at that company. They prorate repairs, so a lifetime warranty really isn't. I read the reviews on this mattress and was scared to hope. Especially the reviews by people over 200lbs who gave me hope my husband would get good relief, too. No real off gassing to complain about. First night sleep was magic. I woke up in the exact position I fell asleep in. Didn't toss and turn hourly like before I've had 4 nights of pretty close to perfect sleep on this inexpensive beauty. Not a bit of hip pain, when I'm scheduled to get an MRI next week.... pressure points are cradled, not pinpointed with this mattress. So freaking happy. Hubby is like meh about it, but I haven't heard him moaning and groaning in the morning about his back for 4 days, so YAY. Sleep number mattress is in the garage awaiting garbage day. Woot! ***UPDATE** After a year of owning this, I found myself sleeping on the sofa because the support for my torso was shot and it was visibly sagging. I'm under 200 lbs so this makes no sense. Just bought a new mattress from costco with a 10 year warranty for twice the price. Good luck ... show more
Reviewed in the United States on September 6, 2022 by Victoria Fox

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