8″ Convection-Cooled Memory Foam Mattress, Full Size for $229.99. Shipping is $5.00 for a total of $234.99 shipped. The Queen size is available for $259.99. Here is a screenshot for your reference. The memory foam mattress has 2″ 4-pound convection cooled memory foam top layer, 3″ core foam support structure, and 3″ high-density supportive base. It also includes 2 bonus contour foam pillows.