Serta iComfort CF4000 Hybrid Firm Mattress Serta iComfort CF4000 Hybrid Firm Mattress Serta iComfort CF4000 Hybrid Firm Mattress Serta iComfort CF4000 Hybrid Firm Mattress Serta iComfort CF4000 Hybrid Firm Mattress Serta iComfort CF4000 Hybrid Firm Mattress Serta iComfort CF4000 Hybrid Firm Mattress Serta iComfort CF4000 Hybrid Firm Mattress Serta iComfort CF4000 Hybrid Firm Mattress Serta iComfort CF4000 Hybrid Firm Mattress Serta iComfort CF4000 Hybrid Firm Mattress Serta iComfort CF4000 Hybrid Firm Mattress
Serta iComfort CF4000 Hybrid Firm Mattress
Serta iComfort CF4000 Hybrid Firm Mattress
Serta iComfort CF4000 Hybrid Firm Mattress
Serta iComfort CF4000 Hybrid Firm Mattress
Serta iComfort CF4000 Hybrid Firm Mattress
Serta iComfort CF4000 Hybrid Firm Mattress
Serta iComfort CF4000 Hybrid Firm Mattress
Serta iComfort CF4000 Hybrid Firm Mattress
Serta iComfort CF4000 Hybrid Firm Mattress
Serta iComfort CF4000 Hybrid Firm Mattress
Serta iComfort CF4000 Hybrid Firm Mattress
Serta iComfort CF4000 Hybrid Firm Mattress

Serta iComfort CF4000 Hybrid Firm Mattress

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The CF4000 Hybrid Firm 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
4.6 Based on 37 Reviews
5 ★
78% 
29
4 ★
14% 
5
3 ★
3% 
1
2 ★
0% 
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1 ★
5% 
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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
12/20/2021
Ruben
USA

Amazing, cooling support

This bed is hands down the best bed I’ve ever owned. As someone who suffers from sciatica this bed really does relive pressure and makes it feel a lot better and yet it completely supports the body with a nice cooling feature to top it off. If your on the fence just go with this bed because you seriously won’t regret it.

P
05/10/2021
Pedrin29
USA

The mattress is very comfortable and a little pricy

We have had a good sleeping so far our hope that it keeps the firmness for a long time

G
04/26/2021
GeraldT1619527414

Almost better sleeping on the floor

We've owned our CF4000 Hybrid Plush mattresses for about 8 months now. They have never softened up. I have slept on firm mattresses that were softer and more comfortable. Although they feel plush when you first sit on them, as soon as you lay down, it's as if you're lying on board. Absolutely hate them.

B
03/08/2021
BriM
USA

Save your money

We bought this bed and loved the way it slept. We both love a good firm mattress and this one was perfect for us for the first like 6 months. After that, we started noticing that the center was starting to swoop. We’ve now owned it two years and are getting to replace it. We’ve had to stuff full on pillows in the center under the mattress to get it to lay evenly. We’ve rotated it regularly as best as you can. You can’t flip it, but we have rotated it. Maybe we just got a bad one out of the bunch as I see other people love it but it’s the most uncomfortable mattress we’ve owned. Save your money, and buy something different.

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