Quality, convenience and comfort. The hallmarks of Corsicana's SleepInc 10" Medium Firm Comfort Memory Foam Mattress. Delivered in a box straight to your door, this mattress delivers a sumptuous yet supportive feel through SupportSense Comfort Foam. A layer of CoolingGel Visco Memory Foam helps to create a cool surface, beneficial in allowing you to fall asleep quicker and stay asleep longer.