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Serta iComfort CF4000 Hybrid Plush Mattress



The CF4000 Hybrid Plush mattress features iComfort's most innovative cooling and support technologies.

Carbon Fiber Memory Foam paired with the UltraCold System™ help channel heat away from your body. 

Exclusive Air Support™ Foam contours to your body and helps relieve aches and pains caused by pressure points, while the 1025 iComfort® Hybrid Support™ System with BestEdge® Foam Encasement provides durable support from edge to edge.


Max Cold™ Cover
Made from super cool high-performance fibers for an instant cool-to-the-touch sensation.


UltraCold System™
This layer of extra-cool Carbon Fiber Memory Foam is engineered to work hard at absorbing excess heat from your body, then channel it away, all while you sleep comfortably.


Carbon Fiber Memory Foam
Every iComfort mattress is made with exclusive Carbon Fiber Memory Foam. This system channels heat away from your body and provides exceptional strength for back and neck support.


1025 iComfort® Hybrid Support™ System with BestEdge® Foam Encasement
In this advanced innerspring system, individually wrapped coils work independently to conform to every curve of your body and provide durable support.

Customer Reviews
4.5 Based on 37 Reviews
5 ★
81% 
30
4 ★
8% 
3
3 ★
0% 
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2 ★
3% 
1
1 ★
8% 
3
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    C
    05/23/2022
    CharlesHR
    USA

    Poor Performance Over Time

    This mattress performed well at first, but by year 3 I began experiencing back pain. The mattress begins to sag where your heaviest body weight is and you begin sleeping in a sagging depression. I contacted Serta (03022079) about warranty coverage and they will keeping pushing it back to the retailer, and Serta will not honor their warranty. They rely on employees from the retailer who come over to "inspect" the mattress, however they don't place any weight on the mattress to test the problem of sagging. They'll tell you the mattress is "conforming to your body", however what I need is a mattress that retains it's original structural integrity and supports my back. I would not recommend this mattress, or Serta. I paid over $2200.00 for a mattress that ended up causing pain.

    C
    02/07/2022
    CynthiaJ44
    USA

    Causes body pain.

    We bought this bed in hopes that it would be the answer to our problems. We do not like it at all. We liked it for the first month, and then we started having back pain. Now we are stuck with a $1700 mattress.

    T
    01/08/2022
    TARANDY
    USA

    Great Mattress, but not as comfortable as everyone makes them out to be

    I had a Costco memory foam mattress prior to purchasing this iComfort CF4000 Hybrid mattress. I purchased two of the twin XL's to form a split king. First off, absolutely ridiculously expensive, but they get you as the claim is it improves your way of life. I fall for this, as it's true and all the competition is very close in price. Still over-priced, okay I'll get off my high horse now. The mattress was not as impressive as all the reviews and everything else I've heard. Especially compared to another memory foam mattress. It is noticeably different, but debatable whether it's worth the cost. My wife claims the old far cheaper memory foam mattress is more comfortable. It was over 10 years old and needed to be replaced either way, I was just hoping for more of an improvement with our sleep and pains this mattress. I sleep about the same as I did before and it's now been a year since I purchased the mattress. Mattresses are one of those things that no matter how much you read or check them out, it's a purchase you are stuck with no matter the outcome. It's not garbage, just not the miracle remedy that everyone claims. If people are claiming a miracle, they were paid to fluff up the positive and ignore the negative! I cannot comment on how this mattress compares to other competitors of the same quality. I did go off my sisters advice, that has purchased 2 other major (high profile) brands and likes this mattress the best. She has neck and back pain as I do. We are all middle age and above average in weight. I am 6'2'' and my sister and wife are 5'2". I fit just fine on the mattress with no problems of the length. We all are hot sleepers and the CF4000 helps a lot in that category. That is most definitely one of the biggest improvements over our last memory foam mattress, which as normal with them are very hot. We tried a 3" latex foam topper (which we had already and wanted to see if it improved the mattress) and it eliminated that cool effect of the CF4000, so we removed it. I just purchased a GB adjustable bed frame to go with this mattress and hope that also improves our sleep. Again outside the expense, people rave that they help a lot. They are over-priced as well. Again what price tag would you place on "Quality of Life"? That's how they get us and we still buy them, so we justify the cost/benefit...

    R
    07/24/2021
    redpanda23
    USA

    Not bad

    This product support and gives the comfort my body needs. The cooling features make sure I stay nice and cool in the summer. The look i give it a hundred the only problem i have is the sheets wont stay on because it is a slippery mattress. I would recommend

    J
    07/21/2021
    Jestine02
    USA

    Great matress but somewhat disappointed

    First, anything would be better than our previous mattress, so yes this matress felt soft and comfy. And ginormous in width and height. Second, even though we got this on sale, I feel the price was pretty high overall. Third, and my biggest issue, my expectations and what I was led to believe is different than the reality of this mattress. We decided to go all in and by the top dollar version of this matress (level 4000, plush). This boasted of "cooling effects and design", "pressure point relief", and "ultra plush soft". I also read a ton of reviews stating how wonderful and amazing, how cooling it was, how soft is was, the best matress they have ever had the privilege of knowing. Let me give you more of the reality of this mattress. 1) "Cooling" is different from "not hot". I still get warm in bed and have to turn occasionally throughout the night, and that is with the most breathable sheets I could find and a lightweight quilt (with additional blanket over feet). If I try to sleep on my back to long I do get warm and turn to my side. However, it is not "hot", like every other memory foam I've laid on. From the description and reviews, maybe I was expecting breezes coming through. 2) Not sure I should have paid extra for the "pressure point" feature. In Serra's defense, I've not tried the level 3000, so maybe what I bought is better than that one. As a female, I don't feel a strain in my top hip when laying on my side for a long time. But, my shoulders are where my real issue is and I can't say it's relieved my issues. Because I have to lay on my side because of getting warm, I can still wake up needing to stretch my chest (breastbone popping) and have a crammed shoulder feeling, creating clicks and needing stretching. Again, way better than our cheap, firm Serta mattress, but from reviews and description I was imagining laying on clouds of heaven, relieving my issues. 3) "Plush" was misleading. "Soft" is more accurate. When I hear "plush", I imagine a wonderful sinking, an OVER-abundance of softness, lushness, comfiness. This mattress is great and soft, there is a sinking and it is comfy. Definitely. But not plush. A reminder: this mattress is a hybrid (which is what my chiropractor recommend). So there is a certain support and firmness that will come from the springs no mattress what. If you want what I was envisioning, maybe try Serta's straight out memory foam and see how it goes. Otherwise, plan on this matress being slightly firmer than you expect, and order accordingly. But don't get me wrong, it's definitely comfy. 4) Adding all these things together, I felt this was a pricey purchase that under-delivered for my expectations. That being said, I still love getting into bed every night, and it does feel like a luxury matress. I love slowly and luxuriously waking up every morning on it. Overall I am happy we purchased it. But wanted potential buyers to understand the reality of this matress (for me) verses what the reviews led me to expect. That was quite a hefty price for a matress Would I buy it again? Absolutely. Buying through Serta, I believe you do have a long return window if you want to try it out.

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