Sleeping on it marvelously ameliorates painful pressure points in back, neck, hips and knees. Kind of a waste of money, but I can sleep well now. For years, I could not sleep comfortably because there were a few pressure points that bothers me. The change was immediate. We've flipped over a few times thinking it was user error. one of them are due to too hard mattress. We bought this topper and it has been wonderful on our backs and sleep. The SleepBetter Isotonic® toppers come in two versions sold at Costco, the 3'' memory foam Isocool version and the 2'' 7-zone memory foam mattress topper. My upper body though, ie my chest and shoulders also sink down, so now the pillow is too high (since your head is not that heavy so it doesn't sink equally as the chest). Bought this about a month ago, and my wife and I really love it. Unbelievably makes our pullout feel like a real bed. It's given me a new bed at the fraction of the cost of a new mattress. I bought the topper hoping it would work. Works well for my 2.5 year old who does not weigh very much but not for adults. I'm a young mom of three and recently gave birth to my last child and wow my neck, back and hips are in pain and my husband and me decided to purchase the topper and pillows. We needed a new bed and I wanted to try a tempurpedic but was hesitant because of the cost so we decided to try the topper. No complaints at all on this topper. The density of the material has changed. A second topper assures deep enough cushion to provide complete and total comfort, ease and the most utterly wonderful sleep experience. TWIN XL $117.99 - QUEEN $209.99. See how it all works here. You'll be so happy you did! this topper was both uncomfortable and at times to hot. Overall, additional benefits I noticed after the first month was I started waking up more refreshed and with less aches and pains. This is a great "intro" to the real deal and I will be sure to purchase a tempur mattress next time. We were both having trouble sleeping on our mattress but we were not willing to toss it yet since it was only a couple years old and we paid a lot for it. A 4-inch mattress topper is ideal for covering the deficiencies of an older mattress. This will definitely work probably for year when I'll get my other one ... maybe! I like this one way better than any memory foam topper we've ever had. With its buy in bulk message, they also offer a variety of higher priced products at discounts, like mattress toppers. Highly recommend if you can't afford a whole new mattress. The topper makes a big difference to sleep comfort. I love this topper! Can't put a price on a great night of sleep. He says that this sleeps just as well as his bed at home. It is not an essential part of my sleep routine. Mattress & furniture shopping is an oftentimes tedious and mundane task. I returned this and purchased the memory foam topper instead. We are 59 and 60 years old and average height/weight. I'm super excited about getting a good night's sleep again!!! When it comes to your own comfort, your own body is the only North Star. The mattress topper helped ease the chronic severe myofascial and joint pain. We weren’t looking to replace our mattress as it was already very comfortable -- we just wanted a cooler nights sleep. Not Cool at all! I returned the queen size for a twin size. I have never taken the time to write a review but I just need to send a PSA out into the universe. Best Mattress Topper I've ever slept on!!! Sleeping now is much more comfortable/cooler than without the topper.