The ultra plush Cobalt Calm 15’’ mattress offers an unparalleled restorative sleep experience with its innerspring design. Enjoy incredibly cool, contouring comfort with two layers of Cool Twist® Gel, which features a breathable layer of memory foam enhancing airflow and heat dissipation. Deep Reaction™️ memory foam makes sure you never have a restless night. The PillowSoft® Aire foam layer promotes airflow through its unique, gently rippling design, keeping you comfy all night long. Conforming Quilt-Loft® memory foam hugs your body for additional comfort at the surface of your mattress. Experience even more contoured lower back and hip support with the three-zoned 850-coil density system. This mattress is topped with an anti-bacterial, cool-to-the-touch cover made with CoolFeel™️ fabric, helping stomach and back sleepers achieve perfect sleep. Being CertiPUR-US® Certified, rest assured knowing our foam materials are free from harmful chemicals and gasses.