I already have one 3" memory foam mattress topper. I have a bad back, so I need good support. How many more inches do you think I would need to be comfortable?
Hi, As a side sleeper I had the same problem with just memory foam. I have added an unsinkable float under the memory foam and now enjoy that firm base layer that I needed to add since I am 200 lbs. They are washable and provide lots of fun if you ever need to have some fun!
Here is one choice:
https://www.amazon.com/California-S...d=1496269904&sr=8-2&keywords=unsinkable+float
