Olee Sleep 11 Inch Gel Infused Pillow Top Hybrid Innerspring Mattress (Queen) 11SM01Q

Amazon.com Price: $639.99 $289.00 (as of 18/10/2017 23:33 PST- Details)

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