Quick view . Chat Now Free Delivery, Setup & Removal 120 Night Comfort Guarantee X Close. With iComfort, cool, comfortable sleep is the priority. The top of the line iComfort Hybrid mattress is the CF4000 Hybrid, available in two softness levels, Firm and Plush. Within the iComfort mattress line there are two separate collections, the iComfort Foam and the iComfort Hybrid.The first are high-quality memory foam mattresses, and the latter offers cooling memory foam along with an advanced coil support system.Both lines appeal to side sleepers and back sleepers and are great for achieving spine … It also adds height -- for a total of 13.5" inches. The CF4000 Firm mattress is a medium comfort that we rate a 5 on our 10 point Comfort Scale (a 1 is hard, 10 is softest.) Call Now (800) 737-4934. Need Help? Serta iComfort. iDealBed. It’s one of 6 beds available in their iComfort collection and it’s highly rated, as our test results confirmed. Video. October 30, 2020. Top Value. The CF4000 Hybrid Firm mattress features iComfort’s most innovative cooling and support technologies. Features. The CF4000 Firm mattress features Carbon Fiber Memory Foam paired with the UltraCold System™ to help channel heat away from your body. The Serta CF4000 Hybrid Firm mattress features iComfort's most innovate cooling and support technologies. Comfort Level. The iComfort CF4000 Firm mattress is the top-of-the-line firm model in the CF iComfort collection. Have A Question? We're thinking that this model will test fairly well for back sleepers once we get ahold of one to perform our analysis. Corrections: Have an update or correction to our information about Serta iComfort CF4000 Firm? These have all of the cooling features of the CF3000 mattresses, and add the Air Support Foam, with its hollowed-out cube-shaped cells of memory foam. The iSeries Hybrid Collection utilizes a combination of Serta ’s memory foam technology and an advanced coil system, resulting in outstanding comfort and support. Carbon Fiber Memory Foam paired with the UltraCold System™ help channel heat away from your body. Serta iComfort CF4000 Firm Mattress Review. My Wish List; Create New Wish List; Sale. iCOMFORT HYBRID CF4000 FIRM by Serta (New Model) $2,199.00) (No reviews yet) Write a Review Write a Review × iCOMFORT HYBRID CF4000 FIRM by Serta (New Model) Rating Required. iDealBed 6i Custom Adjustable Bed Base, Wireless, Bluetooth, Pillow Tilt. iComfort; iComfort Foam; iComfort Hybrid; SleepTrue; Perfect Sleeper; Shop By Package; Shop by Comfort; Extra Firm; Luxury Firm; Firm Super Pillow Top; Plush; Plush Super Pillow Top; Crib Mattresses; Adjustable Bases ; Accessories ; Best Price Guarantee. The CF4000 Firm is an unquilted firm mattress model released in 2019 that is part of the iComfort product line manufactured by Serta. Add to Wish Lists. Our 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® … Serta’s exclusive Air Support™ Foam contours to your body and helps relieve aches and pains caused by pressure points. Choose Options. Serta's 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 … Multiple layers of cooling technology and groundbreaking carbon fiber-infused memory foam make for the coolest, most comfortable sleep ever. 8; Firm Soft. Carbon Fiber Memory Foam paired with the UltraCold System help channel heat away from your body. Serta iComfort Mattress Collections Overview. The iComfort CF4000 Hybrid Firm mattress is the top-of-the-line firm model in the newest iComfort collection from Serta. The iSeries also features Serta ’s HyperFeel Surface, a fabric cover that brings the cooling and comforting feel of the memory foam to the surface, so you can stay cool all night long. This premium firm mattress is one of the coolest iComfort models ever! If you would like to experience the contouring benefits of Air Support™ Foam, consider the 14" iComfort Hybrid CF4000 Firm mattress - with a layer of Serta® Balanced Support Foam for more firmness. Comfort Scale Rating. The CF4000 Firm mattress features Carbon Fiber Memory Foam paired with the UltraCold System™ to help channel heat away from your body.