I purchased a pair of Foamtreds many years ago and loved them. They lasted a long time.  I wanted another pair and found these on Amazon. They are not the same. The insert on the top of the shoe is so stiff and sharp it cut into my foot. After wearing them off and on for a while, I finally took a razor blade and cut the stitching holding the insert in, and removed it, see photo. They are a lot more comfortable now, but I will never buy another pair.