8-Inch Memory Foam Bed in a Box Mattress offers self-contouring, multi layer, gel-infused memory foam for refreshing cool support, at an affordable price for a perfect night's sleep. The gel is filled with a ventilated memory foam to create a comfortable, comfortable sleeping surface for a more restful sleep. Multi layer Deluxe foam mattress: i-gel cooling foam + Air flow convoluted foam +high density support foam. However, the Leesa multi-layer foam mattress is different. Sleep cool - i-gel cooling foam & Air flow convoluted foam keep mattress from getting too hot. The sleepinc. It has proven to be more comfortable and supportive than other memory foam options we’ve tried. In my opinion, Leesa created the ultimate memory foam mattress… Ideal for … Sleep comfort - memory foam & high density layer … The high-density base foam … I don’t know how they did it, but Leesa has solved all of our mattress woes. Multi-layered combination of memory foam and high density support foam; 2.5-inch convoluted layer structure provides better ventilation and disperses body pressure; 2.5-inch HD foam supports you back line strongly; Body-conforming memory foam … Inofia 8 inch foam mattress is designed with a multi-layer foam system. The rest of the mattress consists of a 2-inch convoluted foam layer for airflow and cooling, a 4.5-inch base foam that reduces motion transfer; and another 1-inch copper gel–infused foam layer …