OkiFlex vs Serta iComfortECO Foam

The OkiFlex is a 7/10 on the firmness scale.

The base model (CF1000) is a medium comfort. Choose the cooling upgrade (CF2000) model if you prefer a firm feel. Both the Max Cooling Upgrade (CF3000) and Max Cooling & Pressure Relief Upgrades (CF4000) offer a selection of feels - medium, plush, ultra plush and firm, plush, ultra plush.

The OkiFlex is a 4 layer construction:

• Cooling Ice Yarn Cover
• 2" Graphite Memory Foam (Density 2.2 lb, ILD 12)
• 2.5" Two-Part High Density PU Foam (Densities 1.75 lb, ILD 25 & 1.9 lb, ILD 37)
• 5.5" Pocket Coil System (2.3mm Coil Gauge) - Foam Encased
• 1" Base Layer.

With the iComfort by Serta® mattress, cool, supportive sleep is the priority. The base model (CF1000) has these layers:

• Carbon Fiber Memory Foam
• EverCool® Fuze Gel Foam.

Three upgrades are available at additional cost.

Specifically designed mattress to keep even the warmest of sleepers cool. You don't have to be a hot sleeper to love iComfort. You just have to like your sleep environment to be refreshingly comfy. Three cooling upgrades available:

• Cooling Upgrade (CF2000): 11.5" Additional cooling and firmer support.
• Max Cooling Upgrade (CF3000): 12.5" Cooler and more breathable.
• Max Cooling & Pressure Relief Upgrade (CF4000): 13.5" Feels and sleeps cooler, with air support layer to take pressure off joints.

The OkiFlex hybrid foam-encased pocket coil core provides a firm feel and balanced support while the memory foam layers slightly contour to your body for excellent pressure relief.
Our individually wrapped pocket coils are motion-isolating and provide complete support. Each coil is capable of reacting independently to reflect pressure and provide buoyant support that responds individually to the contours of your body.

Multi-layered foam technology adds support, resilience, and temperature regulation for the coolest, most comfortable sleep ever.

Ice Yarn cover is cool to the touch, while air holes in the memory foam create a breathable, heat-removing mattress that lets cool air flow so you never overheat.

Every iComfort mattress is made with our exclusive Carbon Fiber Memory Foam. This system channels heat away from your body.
Gel Active® Max Foam (used only in CF2000 model) is an open celled memory foam helps promote airflow, so you don't have that hot, stuffy feeling when falling asleep.
UltraCold System™ (used in the CF3000 and CF4000 models) The 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.

Memory foam with graphite slightly contours to your body to offer complete support.
Two-part high-density PU Foam provides firm support for a great night's sleep.
The pocket coil's enhanced durability independently reacts to pressure to provide buoyant support, while slightly contouring to the shape of your body.

Carbon Fiber Memory Foam provides exceptional strength for back and neck support.
Air Support™ Foam (used only in CF4000 model) moves with your body and contours around it to help alleviate aches and pains caused by pressure points.

Ice Yarn Zip Cover. This hypoallergenic cover is cool to the touch to help regulate body temperature and prevent you from overheating. The cover is easy to remove and machine washable.

A Max Cold™ Cover is used in the CF3000 and CF4000 models. Made from super cool high-performance fibers for an instant cool-to-the-touch sensation.

Our products usually ship in 1 to 2 business days. After your products have shipped, you can expect delivery between 5 to 7 business days.

Serta mattresses are shipped using the fastest, safest, and most reliable method possible. After ordering, you will be contacted by XPO Logistics to schedule a delivery day and time.