fashion & comfort in a flat shoe

I’m going to be spending an awful lot of time on my feet this summer – I’m teaching a series of art camps.  I need a shoe that’s going to be comfortable & supportive from 7am to 5pm… as well a shoe that still looks pretty.
Tall order, huh?
I think that the charming mary-jane flat “Millie Suede” may fit the bill:

 Cute, supportive and should perk me up after a day of chasing after budding young artists