Roll out a better night’s sleep how do I know if I need a topper? Adding a topper won’t fix a bad, worn out mattress, but it will add an ideal amount of softness to help you sleep more comfortably on a good mattress that you might find a little too firm. what size sheets do I need? It depends on the height of your mattress, but 14 inch deep sheets should work. Our sheets will fit Our mattresses and the topper. how is it different than memory foam? Our proprietary foam is a large, open-celled foam that is designed to be breathable, while offering pressure relief, without feeling mushy or trapping heat—two common complaints about memory foam. Additionally, unlike memory foam, Our firmness will stay the same at different room temperatures.