- Sleep cooler through the night with DualCool Technology
- Feel supported with 900 Series Pocketed Coils
- Consistent comfort with the BeautyEdge Foam Encased Edge
The Serta iComfort CF 4000 Quilted Hybrid Firm Twin XL mattress is the paramount model this year. This firm, but not too hard, mattress, has a comfort scale rating of 4 (with 10 being the softest) and conforms to the contours of your body without feeling way too soft.
Love crawling into a cool bed at night? This Serta mattress features an instant cool-to-the-touch sensation because of high performance super cool fibers.Premium UltraCold System
Engineered to absorb excess heat from your body, this top of the line cooling technology helps you to sleep more comfortably, granting you a restful night’s sleep. No more tossing and turning because you’re too hot.Carbon Fiber Enhanced Foam
This mattress provides amazing strength for neck and back support through its carbon fibers. Embedded in the foam, they whisk the heat away from your body.Unique Air Cushion Layer
Pressure points cause pain and soreness to develop in your body. Only Serta has this one-of-a-kind air-cushion technology, which smartly moves and contours with your body to soothe any pains, aches, or soreness caused by pressure points.Lasting Adaptive Support
Individually wrapped coils are the mainstay of this advanced innerspring system. Because they are individually wrapped, each coil works independently to adapt to all of the curves of your body. In addition, it gives you durable support.Should You Buy the CF4000 Firm Twin XL?
The iComfort CF4000 Firm Twin XL is the best of the best in this Serta collection. Made to last for at least a decade, it offers a restful night’s sleep that is cool, comfortable, and supportive. It is the perfect choice for those who like a firm mattress.
|Cal King||14"||72"||84"||120 lbs.|
|Twin XL||14"||39"||80"||50 lbs.|
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.
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