This is everything to us. My husband and I were having some back issues. Also my hips would be sore in the morning, it seems as though or mattress was really firm.  This was everything we wanted. This is the perfect size, because anything above 3 in you would have to actually jump into your bed. We have a king size bed and I am 5'2, and I have to use my little stepping stool to get into our bed. The memory foam is wonderful and also the cover is removable so that you can wash it. Last but not least, it was agf