Olee Sleep 12 Inch Euro Box Hybrid Memory Foam Innerspring Mattress (Queen) 12SM01Q

Amazon.com Price:  $299.00 (as of 18/10/2017 15:11 PST- Details)

7.5 inch Heat Treated Coil maintains mattress firmness constantly
1.5 inch Soft memory foam supports and surrounds your body shape
1 inch High density foam absorbs and disperse your weight.