Rebecca Minkoff Vivien Flat in Black. - size 9.5 (also in ) Rebecca Minkoff Vivien Flat in Black. - size 9.5 (also in ) Leather upper with rubber sole. Wrap ankle with tie closure. Jute trim. RMIN-WZ103. M2111004. Classic, stylish, and functional; it's easy to see why we love Rebecca Minkoff.