King Koil Posture Sense Response Highland Luxury Plush Queen Mattress and Foundation Set 13.75" Encased Coil Non Flip Hybrid Mattress, 2" iFusion Gel Infused Foam, 3" High Performance Super Soft Foam IFusion Visco Gel Foam is the latest technology in open cell memory foam; It relieves pressure and provides optimal sleeping surface temperature 638 (Queen Density) Encased Coil, independently encased coils reduce sleep partner disturbance and body pressure points for an ultimate night's sleep Excellent Edge Foam provides a superior sitting edge while increasing the sleeping surface; 9" Natural Wood Foundation International Chiropractors Association (ICA) endorsed, 10 year Non-Prorated Warranty, Total Set height 22.75"