I typically wear between a 7.5 to an 8 depending on shoe brand, Born, Clarks, etc. I bought these shoes (closed toe) in a size 8.  I had tried vionic sandals in a store to be sure of size and wore a size 7 but for vionic closed toe shoes I wore an 8.  Therefore I had some prior knowledge on this brands sizing.  My foot is average, neither narrow or wide and these fit perfect.  The only downside is that the leather rubs, very minor, where the shoe opens to reveal top of foot. It has become less in wearing them, stretching just enough.  I wear them for teaching and find them very comfortable. The Merlot is a beautiful color. I bought the nude and black as well.  In each photo attached my heel is slightly lifted due to angle of getting a shot. :)