Rebecca Minkoff Nash Dress in Black. - size 2 (also in ) Rebecca Minkoff Nash Dress in Black. - size 2 (also in ) 100% poly. Dry clean only. Unlined. One shoulder styling with tie closure. Sleeve cut-out. RMIN-WD88. RM D17004 2. Classic, stylish, and functional; it's easy to see why we love Rebecca Minkoff.