My wife and I have had a Sleep to Live mattress for about a year and a half and it is one of the best things we have done. You sink in a little bit so it is really comfortable, but still provides great support for our backs. I often woke up lower back pain and a stiff neck in the morning with our old mattress. After getting the new mattress, the lower back pain in the morning nearly disappeared after about a month, and stiff neck is gone.

As for durability, after a year and a half, there are slight body depressions that you can see if you look close on either side of the bed where my wife and I lay. This does not seem to affect the support at all. I remember it took a couple of weeks to kind of break it in when it was new. It actually felt a little stiff. Now when we climb in bed, it is like putting on a comfortable pair of slippers. The stitching seems to be holding up well. The fabric is still in great shape, but we use a mattress protector cover. This really is a great mattress.