With iComfort, cool, comfortable sleep is the priority. Multiple layers of cooling technology and groundbreaking carbon fiber-infused memory foam make for the coolest, most comfortable sleep ever.
The CF4000 Firm mattress features Carbon Fiber Memory Foam paired with the UltraCold System™ to help channel heat away from your body. Our exclusive Air Support™ Foam contours to your body and helps relieve aches and pains caused by pressure points. This premium firm mattress is one of the coolest iComfort models ever!
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 our exclusive Carbon Fiber Memory Foam. This system channels heat away from your body and provides exceptional strength for back and neck support.
Air Support™ Foam: This exclusive air-cushion technology moves with your body and smartly contours around it to help alleviate aches and pains caused by pressure points.
Max Cold™ Cover: Made from super cool high-performance fibers for an instant cool-to-the-touch sensation.
We believe that when you start mattress shopping, you should feel supported and relaxed. That's why Serta has been advancing the art of comfort for 90 years. Check out some of the things we've learned along the way—and some of the things to come.
With the iComfort by Serta® mattress, cool, supportive sleep is the priority. We've specifically designed this mattress to keep even the warmest sleepers cool.
Every iComfort Hybrid mattress is made with our exclusive Carbon Fiber Memory Foam. This system channels heat away from your body and provides exceptional strength for back and neck support.
Looking for an adjustable bed frame for your new mattress? Shop our selection of adjustable bed frames available in King, Queen, Full, and Twin XL. Select models come equipped with wireless remotes and other unique settings to improve your quality of sleep. Shop online today.
Plus get a free pillow!