Chic flat shoes are all the rage this summer. And when we say flat, we mean it – no more chunky soles! Who would have thought, but ballet flats are back. “As far as shoe fashion is concerned, ballet flats are making a big comeback,” says Claudia Schulz, spokeswoman for the German Shoe Institute. For a long time, the closed flats almost disappeared, as more and more buyers opted for shoes with chunkier soles. Now ballet pumps are making a return, as they have done many times before in their long history. From dance shoe to everyday flats Ballet flats date back to the 18th century, when walking …