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Serta Serene Sky™ Mattress Firm

Serta Serene Sky™ Mattress Firm



The Serene Sky features Cool Twist® Gel Foam combined with a system of individually wrapped coils for cool, comfortable support night after night. 

If you’re looking for a firmer feeling, the Serene Sky with Comfort Upgrade might just be your mattress. With an additional inch of Cool Twist® Gel Foam, it’s specifically designed to contour and support your body.

If you’re a fan of a more plush mattress, the Serene Sky with Comfort Upgrade and Pillow Top will be your comfy, dreamy solution. This plush pillow top mattress has Serta® PillowSoft® HD foam in the top layer that gently cradles your body to provide a comfortable embrace.


Comfort Type


Mattress Height



Serta® PillowSoft® foam

PillowSoft® Aire

Cool Twist® Gel Foam

805 Individually Wrapped Coil Support System

Serta Balanced Support Foam

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