There’s no easier way to make jeans look a little more chic than by swapping sneakers for a pair of flats. It’s a fashion combination French girls have practically perfected, pairing everyday denim with ballet flats, Mary Janes and other polished styles. The best part is that the shoes still feel just as effortless as the jeans themselves. The 13 pairs below make recreating the look easy, with plenty of fall-ready colors and textures to choose from. There are chocolate-brown Mary Janes, caramel suede flats, sleek black pairs and even cherry red options. And with finds starting at $20, adding a...