9. The Velvet Trousers—No question, velvet is the day-to-night fabric for fall. And thanks to Proenza Schouler's dreamy, swirly trousers, we're making sure we check this one off our list.
Mark & James by Badgley Mischka Velvet Pants, $66, available at Couture Candy; Miu Miu Velvet cropped skinny pants, $595, available at Net-A-Porter.