We just purchased a firm queen mattress, in the hopes that it would be better for my back. It wasn't the way to go... so I looked at two different mattress toppers on Great Offer Stock, this one and a Beautyrest memory foam. I went with this one because of the gel, thinking it would feel less hot than foam. My husband and I, both, feel like the fact that it isn't a flat foam makes it hard to get comfortable and move easily in bed. It has helped, somewhat, but it just hasn't helped as much as I hoped. I had a Beautyrest memory foam topper in the past and that will be what I go with the next time around.