Flats are cute and easy to wear if I am just walking around the office - but I live in a big city and walking any sort of normal distance (four or five blocks) hurts my feet - the rim of the shoe leaves a mark on my foot and my toe winds up raw. The friction from walking is too much, and I don't wear them often, even though the design is cute.<br /><br />I would say they run slightly small, and that the fact that they are made of Polyurethane means that it's harsher against my foot - rather than a leather or cloth flat.