Serta iComfort CF4000 13.5″ Firm

If cool, comfortable sleep is your priority, the Serta iComfort series was designed with you in mind. Serta’s iComfort CF4000 13.5″ Firm Mattress is the ultimate in luxurious comfort and stabilizing support. The Max Cold™ Cover is cool to the touch, and the UltraCold System™, paired with Carbon Fiber Memory Foam, channels excess heat from your body. Plus, the Air Support™ Foam—found only in select models—provides pressure relief around the shoulders and hips for a sink-into-softness feeling. It’s a unique combination of pillowy plushness and firm, low-motion support, making this mattress an exceptional choice for back sleepers.

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.*
*Not available in LE model.

Air Support™ Foam

Foam moves with your body and contours around it to help alleviate aches and pains caused by pressure points.*
*Only available in CF4000 models.

Gel Active® Max Foam

This open celled memory foam helps promote airflow, so you don’t have that hot, stuffy feeling when falling asleep.*
*Only available in CF2000 model.

EverCool™ Fuze Gel Memory Foam

A fusion of cooling gel and premium memory foam, this comfort-inducing combination cradles you and helps cool you in a substantial, pressure-relieving embrace.*
*Not available in CF3000 Medium or CF4000 models.

Cold Touch™ Cover

This breathable knit cover gives you an instant cool-to-the-touch sensation the moment you lie down.*
*Only available in LE, CF1000, and CF2000 models.

EverCool® Fuze Gel Foam

A fusion of cooling gel and foam, this special blend promotes cooling by increasing airflow and dissipating heat.*
*Only available in LE model.

Max Cold™ Cover

Made from super cool high-performance fibers for an instant cool-to-the-touch sensation.*
*Only available in CF3000 and CF4000 models.


We suggest applying baking soda to the soiled area, let stand about 15 minutes, vacuum and repeat as needed. Air the product out as much as possible.

We do not recommend applying liquids to the product. Applying liquids may stain the fabric and make the soiled area worse. Moisture or chemicals applied directly to the mattress can cause premature breakdown of the foam and damage the product.

In order to protect your mattress from stains and spills, we highly recommend using a mattress protector. This will also help with the overall health and lifespan of your mattress.

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