The Davis Pillow Top by Heritage Sleep has a 700 Series Pocketed Unit; HD Foam Encasement around the entire mattress perimeter. In the pillow top the Davis has a Gel Lumbar Support Layer; 2 Layers Supreme Comfort Foam; and a "Censational" Center Lumbar Support System focus on a non dip center.
The Davis also has a 10 year non-prorated warranty.