Below, browse comfy sneakers, boots, flats, and loafers with podiatrist stamps of approval. If you act quickly, you can even score pairs from brands worn by Oprah, Martha Stewar t, and Meghan Markle.

When I think about flat sandals like flip-flops and Birkenstocks, my mind always goes to, let's say, relaxed looks. For years I associated them with trips to the beach, jam-band concerts, and other ...