- Sleep cooler through the night with DualCool Technology
- Feel supported with 900 Series Pocketed Coils
- Consistent comfort with the BeautyEdge Foam Encased Edge
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Use our pressure test result to see if this is the right mattress for you!
The Serta iComfort Hybrid Quilted CF4000 Extra Firm is packed with the latest in comfort and support features from arguably the best manufacturer using gel memory foam today. While the supremely firm feel may not be for everybody, if that's your comfort, you will be extremely happy with what Serta developed in this mattress.
The CF4000 Extra Firm promises an extra firm level of comfort and 100% delivers on that promise. While this mattress is certainly for people who want the very firmest of comforts, the initial padding feels quite comfortable.Top of The Line Support
In this advanced innerspring system, individually wrapped coils work independently to conform to every curve of your body and provide durable support.UltraCold System
This premium cooling technology is engineered to work hard at absorbing excess heat from your body while you sleep comfortably.Carbon Fiber Enhanced
Carbon fibers embedded in the foam channel heat away from your body and provide exceptional strength for back and neck support.Exclusive Comfort Layer
Exclusive air-cushion technology moves with your body and smartly contours around it to help alleviate aches and pains caused by pressure points.Is the CF4000 Extra Firm Right For You?
Premium features abound in this top of the line extra firm mattress. Cooling, extra firm comfort, innovative comfort materials and an exclusive support system make this one of the gems in the iComfort Hybrid collection this year.
Your mattress purchase is fully compatible with all modern support systems, including adjustable base, platform bed, box spring/foundation, even the floor!
We test and measure body pressure on each mattress using sophisticated technology. We then provide you a personal recommendation.Learn More »
Stay tuned for another helpful analysis of how this bed feels. We provide all kinds of media to help you pick the best mattress.