Bed Stuy’s Sincerely, Tommy spotlights up-and-coming brands, so be open to learning a few new names as you peruse the racks. Kai Avent-deLeon, who grew up in the neighborhood, adheres to a minimalist, easygoing fashion philosophy. The clothes, which range from $80 tennis dresses to $680 handmade gowns, are simple in the ’90s tradition of straight lines and slinky cuts.