The medium firmness mattress proved too hard for me, but ok for my spouse. The memory foam topper makes a nest of comfort, that molds around you and it keeps the bed warmer also.
Sleeping on it for a week now and only gotten worse, whole body hurts and falls asleep from the pressure. Thought it would be a upgrade but surely not!
When I purchased this topper I didn't expect it to be as soft as it is. It really didn't change much for me, except that it has a nice feel to it. The quality is good. But, I really need a topper a little firmer and this wasn't. Also, they say it is 3" but I measure a little over 2". So, I wasn't happy about that. Also, I was still was waking up with aches and pains. It just felt that it was sinking down too much and I could still feel my mattress underneath. It just isn't for me. Sorry I purchased it.
I have had surgeries on both shoulders and I am a side sleeper. I have a Select Comfort bed with foam on it but I still woke up several times a night turning over. I have had this product about 3 weeks and have not woke up one night yet with shoulder pain and had to roll over. I highly recommend this product.