All my Sandals are Spenco because I need the arch support that they provide.  The unusual Snake is quite pretty, nice touch :-)  I wear an 8.5 in closed shoe; however, I wear a 9 M in Spenco's because it's important that my foot fit properly in the supportive foot bed.  I ordered the Navy which is very nice because I have a difficult time finding a True Dark Navy in Sandals :-)