I desperately needed black shoes, that were not completely flat but were completely comfortable.  These fit the bill.  They are undeniably comfortable on my medium wide feet (they used to be narrow but alas, childbearing).  The ONLY reason I don't give them 5 stars is that the elastic or whatever around the shoe's top can sort of make these look like high end house shoes rather than just comfy sport shoes, but with stockings or trouser socks and professional clothes, it isn't as bad.