I had to return these.  Sadly.  I usually wear a 7M, but in this type of shoe, I order a bit larger so that I can get the full comfort factor.  The W was still tight, and that is really odd.  They look adjustable, but if you look closely, you'll see that the toe piece is solid so you can adjust it only very slightly.  All I can say is that they were tight even though I ordered a wider size.  The insole has very nice cushioning, and I nearly kept them, just because of that.  Maybe you'll have better luck.