Well, it’s official: Goodbye summer, hello fall. The official first day of autumn was on Saturday, which means it’s time to snag some sophisticated cool-weather staples. We know September can be hectic (back to school!) but this one-stop-shop makes it easy to click till you drop. Katie Lindsey, our maternity buyer extraordinaire, chose her favorites for this snappy season. Best part: All the items can easily be mixed-and-matched with what’s already in your closet.