I love these shoes. They're comfortable and fit my foot perfectly (size 13; my foot may be slightly more narrow than average; my arch is average to a little flat). I actually bought this pair as a backup to another pair of the same shoes. That said, the ones that I currently use have outlasted all other pairs of running shoes that I've ever owned. They're incredibly light AND incredibly durable. I did have a shoelace fail on my current pair, but that was easy to replace. Considering that I run in these everyday (or at least most days), they've held up remarkably well and have remained as comfortable and well-fitting as the day I bought them. The only drawback I can mention is that they may not be the best shoe for wet days due to the venting on the sole (which I don't even notice most of the time).