Serta iComfort CF4000 Hybrid Plush King Mattress


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

Carbon Fiber Memory Foam paired with the UltraCold SystemTM help channel heat away from your body. Our exclusive Air SupportTM Foam contours to your body and helps relieve aches and pains caused by pressure points. This mattress provides durable support from edge to edge.


  • Max ColdTM Cover – Made from super cool high-performance fibers for an instant cool-to-the- touch sensation.
  • UltraCold SystemTM – 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.
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