LUCID 12 Inch Gel Memory Foam Mattress – Triple-Layer – 4 Pound Density Ventilated Gel Foam – CertiPUR-US Certified – 25-Year Warranty Price: $288.99 (as of 18/10/2017 04:44 PST- Details)

4 inches of memory foam at the surface create the ideal medium feel
Gel memory foam layer infused with gel beads that prevent overheating
Ventilated design increases airflow through the sleep layer