Serta Perfect Sleeper Gorham Pillow Top Mattress, California King Price: $899.00 (as of 18/10/2017 12:07 PST- Details)

Cool Twist Gel Memory Foam; an exclusive liquid gel-enhanced memory foam designed to help move heat away from your body
Serta’s Duo Core individually wrapped coils feature a dual-stage coil design to provide consistent comfort and proper back support
The Perfect Sleeper is the Only Official Mattress of the National Sleep Foundation, designed with the NSF to help solve 5 common sleep problems