I purchased the topper for my full size bed and what a difference from theâ€cool swirl gel foam topper that I had on my bed for 3 times the price of this one. I was so hot at night, I was sweating from it! This one is a noticeable difference when sleeping, I don't get hot and I definitely don't sweat! This one obviously is cooler for me and it's very comfortable. I purchased one for my daughter as well. She has an uncomfortable bed and she loves it!