Tod's Dee Ballerina?

I have one of these and can walk in them all day. Very comfy for me.

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I have 3 pairs of them -- black pony hair, brown suede and silver -- but I am going to have to part with all of them because my foot doctor says they offer no support for my flat feet and weak ankles. I originally bought them when I sprained my ankle and it was so swollen that I couldn't fit my feet in structured shoes. My foot doctor advised me not to wear them any more than running from a car into a store for a quick errand and back. I'm bummed because I find them to be very comfortable for my wide foot.
 
I love them. They fit my feet very well and are truly walk-all-day shoes for me.
The pewter ones are still available -- I have seen them at Saks, Neiman Marcus, and I believe also the Tod store in NYC.