Dream Pro Revitalize 11 Inch Gel-Infused Memory Foam Mattress, California King

Amazon.com Price:  $629.87 (as of 18/10/2017 12:39 PST- Details)

Lunair gel-infused top-layer memory foam improves airflow and expels trapped heat to let you sleep longer, cooler and deeper
Visco mid-layer memory foam contours to your body to eliminate pressure points and provide custom support for a rejuvenating night’s sleep
Dream Edge layer maximizes sleeping surface and prevents compression and sagging to extend the life of your mattress