PrimaSleep 12 Inch Multi-Layered I-Gel Infused Memory Foam Mattress, Cal King

(10 customer reviews)


Product details

Size California King
Item Firmness Description Firm
Fill Material Memory Foam
Brand PrimaSleep
Product Dimensions 82″L x 74″W x 12″Th
Top Style Tight Top
  • 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.
  • I-gel foam particles in the memory foam keep the mattress cool.Convoluted foam provides better ventilation and disperses body pressure
  • High density (hd) foam properly support your back
  • Best in class Poly Jacquard cover protects and keeps mattress clean
  • Multi-layered foam construction creates sound sleep, no more toss and turn, no more back or joint pain
  • Allow time up to 72 hours for the mattress to expand to its original shape after unpackaging
SKU: B076HJY18H Category:


PrimaSleep 12 inch multi-layered I-gel infused memory foam mattress provides one of the coolest night’s sleep around. Highly breathable gel infused memory foam improves heat transfer and dissipation within the mattress. The result is stunning: A constantly cool and dry sleeping surface that actively dissipates heat. This mattress includes 3 different layers which are I-gel foam, high density(hd) convoluted foam, and high density(hd) foam. All these different materials work together to contour and conform to your body’s shape and movements, resulting in a restful and rejuvenating night’s.

From the manufacturer






Additional information

Weight 78.5 kg
Dimensions 84 × 72 × 12 cm
Product Dimensions

84 x 72 x 12 inches

Item Weight

78.5 pounds



Country of Origin


Item model number


Fill material Type

Memory Foam

Batteries Required


Included Components



Grantec CO.LTD

10 reviews for PrimaSleep 12 Inch Multi-Layered I-Gel Infused Memory Foam Mattress, Cal King

  1. Priscilla Osuna

    GREATI’ve had this bed for 2 years now and I’ll say it’s an amazing bed not even just for the price , but I refuse to pay exorbitant amounts of money so I read many reviews across Amazon on mattresses and decided to go with this one. I am very pleased , when people lay on my bed they ask where it’s from because it’s so comfortable. 10/10

  2. Mr. Green 808

    Guys listen up!!! This is awesome!Okay this is going to be more of a first impression review I will definitely update it later to give you more of an extended review. We received this mattress yesterday it came a couple days later than Amazon predicted but I’m not worried about that because it was advertised as extended delivery. The packaging process is awesome I love how small they can make it the box it came in was roughly 3 ft tall by 1 foot by 1 foot. And that’s for a king size mattress. I am overly impressed with the look feel and comfort of this mattress. The cover on the mattress gives a nice luxury look and feel to it. I had seen some other reviews that said this mattress was either too soft or too firm for them honestly I’m feeling like Goldilocks because this one is just right. It has plenty of support for you back as well as the soft factor to be nice and comfortable. I weigh upwards of 280 lb I’m about 6 ft 5, and this thing is big enough and strong enough to support me. I have seen very minimal reviews on this, so I know it’s important to do a solid review. I mainly want to let you guys know that this is not a cheap mattress it may be low in price but the quality is amazing. I would like to point out one small defect that most people should not have to worry about. But on the top edge of the mattress it looks like at the factory somebody grabs the mattress to move it and then a chunk of the foam came off in their hand now I will also say that’s the chunk of foam that was torn off was still inside of the mattress cover so I was able to slide it back into place however it was not in perfect condition, a very minor issue definitely not worth the return, so we called Amazon to see what they could do and they were very kind and we’re able to compensate us with a 20% discount on the item. As with 99.9% of things that I purchased from Amazon I am completely satisfied with every aspect of the product and the purchase process. Amazon you guys are an amazing company and I love how you handle things you always take care of us and that’s why you guys will have our business. As I said I will update this review later on after I spend a month or so sleeping on it but from the very first reactions on the first night sleeping on it I want to say that I am overly impressed. One last thing to add some reviews are saying that memory foam mattresses have a strong odor to them when you open them out of the package, this one did have a slight odor however it was nowhere near what I imagined after reading reviews. The odor was very faint and dissipated quickly. Overall I give it a 5 out of 5 stars and I would not hesitate to purchase this mattress again. I think if you guys buy it you’re going to be very happy with it. I really can’t think of anything else to say at the moment so thanks for reading and enjoy

  3. alishia saldana

    Love this mattress.We love this mattress. It’s pretty true to the description. Medium firm, does run a little warm, but is so so comfortable. This is our second mattress of this same brand. Love it.

  4. Libby Lovemore

    BUY THE MATTRESSYALL THIS WAS THE BEST 300.00-350.00 I Have EVER spent in my life!!!!!!! I love ny mattress!!!!

  5. michael

    Good buy firm supportVery comfortable firm support and I’m coming from a tempurpedic cashmere pillow top mattress that was One of the original memory foam mattress ever very good buy for the money and no problem with it fluffing up I love it and I have scoliosis

  6. brittany simon

    BEST BED I HAVE EVER SLEPT ON!Like others, I was skeptical about ordering a mattress that I didn’t try before buying. Also, I never have tried a mattress in a box and was concerned about the quality. How could something rolled up like that actually expand into a real mattress. I didn’t have a big budget for a new mattress so, I picked this mattress because it was affordable for me. Although, my final decision was definitely made by the reviews this mattress received. I don’t know why but, I never write reviews, I just read them, this one, I had to write about. It was exactly as described, It arrived quicker than expected. I put it on my existing box spring and followed the directions. It immediately expanded to about 10 inches ( I purchased the 12 inch mattress). There was no odor at all. The directions stated not to put on mattress cover, sheets and additional bedding for 48 hours to allow it time to fully expand to its 12 inches. So I waited the full amount of time. The first time I slept on the mattress, I was amazed. It was firm but yet conformed to my body (not squishy at all) . I am usually a person that toss and turns to find a comfortable spot. When I slept on this mattress, I woke up in the same spot I fell asleep in, which is AMAZING to me. I cannot express how pleased I am. The only other thing I can say is, the reviews were correct, I too, give this mattress a 5 star review. It deserves it!!! Would 100% recommend purchasing. You won’t be disappointed.

  7. Chrystalline

    ImpressedSo, I THOROUGHLY read through the reviews of many California king mattress on Amazon and this one had the best reviews. So I went for it.*** this is 100% my opinion and I’m not paid by Amazon for this. Legitimately leaving a review to help anyone else out there***Maaaan I have to say I’m impressed with this bed. Extremely comfortable (compared to what I was sleeping on which was an old spring bed). It came in the box and it worried me at first when I pulled it out but it says it takes 3 days to fully expand. However it only took one day for me and it was MASSIVE! I’m used to full or queen beds but this thing was a beast. Yeah, it was awesome. Probably the best bed you’ll find on here if you’re looking for the bang for your buck because some of those name brand beds cost an arm and a leg.

  8. Anthony

    How is it so cheap???Was honestly sceptical but the other reviews seemed legit, can’t believe this is under 300 for cal king, super thick and comfy would recommend 10/10

  9. Mcclain61

    WasteHave had the mattress since September 2019. Worst mattress I’ve ever owned.If you have rental properties or a guest room it would be ok for that otherwise go buy a different mattress

  10. SRiteNow

    What a deal! This mattress is amazing.I read review after review on MANY mattresses and decided on this one. I felt like the price point was low enough to where if I didn’t like it, I wasn’t out a ton of money. We have been sleeping on it for a little over a month and I have 0 complaints! It’s not the kind of soft like a plush pillowtop. It’s a tad firm when you first lay down but once you are there for a few minutes you sink in just a little. It hugs you and is incredibly comfortable. I am a stomach sleeper and my husband is a side/back sleeper. We both like it. Every now and then I will get too hot but it’s usually when our down comforter is being used. With our Pottery Barn quilt, it’s perfect. If you run hot, as I do, you should be fine depending on your bedding. We figured we could put a cooling mattress topper on ours in the summer if we felt like it was too hot. I will be getting this mattress again to replace the old one in our guest bedroom. I know it’s scary buying a mattress online, it freaked me out too. This mattress is a good one. For reference, we are early 30’s, both around 150-170 lbs and live in hot/humid Texas.

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