I was unsure what size to get since I run the gamete from 8 - 10 depending on the shoe.  I went with an 8 1/2W which is my usual starting point.  The width is great but there seems to be too much room for my feet to move around.  I bought some inserts and that fixed the problem and made them even more comfortable.

The heel is just the right height to walk around in all day.  They don't make my big feet look small like previous Clark boots but I'll take comfort over the illusion of smaller feet. :)