When you're on the hunt for the ultimate day-to-night, festive-yet-classic, go-with-anything sandals, take a cue from the likes of Balmain, 3.1 Phillip Lim, Isabel Marant, and more. Designers around the world filled their Spring/Summer 2019 collections with the most extensive array of metallic sandals we've seen in a while, so there's never been a better time to get on board with the shiny trend.