Replace that old mattress you have and get a good night's sleep with Restonic's Arcadia Extra Firm mattress. The head to toe Helical Wires provide support with no partner disturbance while the Marvelous Middle™ is made up of tempered steel coils in the center third of the mattress, giving extra support where you need it the most. Furthermore, the Superedge Plus™ gives you a 3" foam encasement for edge-to-edge support. The Soft-Cool Finish™ maintains a comfortable temperature and helps keep moisture away, adding to a great night's sleep. This mattress is great for stomach sleepers.