Enjoy endless possibilities for restful sleep with this hybrid innerspring mattress. You get the best of both worlds: the pressure relief of cooling gel-infused memory foam, coupled with body-contouring pocketed coils for superior support. Rest assured that high-density quilt foam provides the comforting feel you love. Plus, this mattress arrives in a box for quick, easy setup. Just cut away the plastic wrap and unroll it. Foundation/box spring available, sold separately. Comfort level: plush 12" profile height High-density super soft quilt foam Flame-retardant polyester comfort fiber High-density gel memory foam lumbar support 1" upholstery grade comfort support foam 2 perimeter rows of 9" 13-gauge pocketed coils for edge-to-edge support Adjustable base compatible Foundation/box spring sold separately Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening.