Absolutely wonderful shoes! The way they are constructed results in a very smooth, fluid-style walk. They seem to take a lot of the effort out of walking. I really realized how different they are when I took them off and put on another pair of shoes that I was used to wearing. I felt clumsy!I have to wear an Arizona brace on one ankle, so I bought a pair of extra wide Xelero (4E). The shoes are deeper than most (not a lot, but enough) and they accommodate my brace very well. I was able to add additional pads in the other shoe so both feet are at the same level. Both feet seem to have the just-right interior space & both are very comfortable. I love my new shoes!