This mattress features a 10-inch medium feel profile for universal comfort for side, back, and stomach sleepers Gel infused memory foam regulates temperature while conforming to the body to ease pressure points The 2.5-inch ventilated gel memory foam top layer creates a cooler sleep experience than traditional memory foam by helping to regulate body temperature and increase circulation 1.5 inches of transition foam and 5.5 inches of dense bamboo charcoal infused support foam provide stability and full body support Compressed, rolled, and shipped in a box for simple setup; easily fits through narrow hallways and staircases