Sierra Sleep Chime 10 Inch Hybrid M69641 King MattressEnjoy endless possibilities for restful sleep with this hybrid innerspring king mattress. You get the best of both worlds: the pressure relief of cooling gel infused memory foam, coupled with body contouring wrapped 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. Simply bring it to your room, cut away the plastic wrap, and unroll.