Ideal for crisp autumn evenings, CH Carolina Herrera’s black-and-white poplin dress is emblazoned with a joyful floral spray; it’s available at the CityCenterDC boutique ($550). To help those in need around the world, the Carolina Herrera Heart for Hope initiative will donate 10 percent of all handbag and accessories sales across its brands to the Red Cross through December 31, 2020. carolinaherrera.com