Quote Originally Posted by MacMillan of Rathdown View Post
The rubber soles I was referring to are at most 1/8 inch thick, and are intended to prevent slipping on damp pavement and the like. The Vibram's are great for out of doors, but some may find them a bit to "chunky" for dress shoes.
That is the thickness of the Vibrams I have on my shoes. They are extremely flexible and unnoticeable. They cover the leather sole from the toe to approximately two inches short of the heel (the Allen Edmonds name in the sole is only partially covered.)

Our personnel were expected to wear a well made suit and shoes in order to blend in with our client's level of surroundings in the office (outside the office required the same attention to detail in apparel.) A thick rubber sole would have been a telltale sign of who the team personnel were. Of course, this did make for some interesting fittings with my tailor who preferred I come in before business hours.