A plunge neckline and cutout back lend sultry detail to the Sachin & Babi Sierra Satin Midi Dress. The v-neck front is balanced by a sweet buttoned back, falling into a daring open back moment that perfectly finishes the sleek midi silhouette. A plunge neckline and cutout back lend sultry detail to the Sachin & Babi Sierra Satin Midi Dress. The v-neck front is balanced by a sweet buttoned back, falling into a daring open back moment that perfectly finishes the sleek midi silhouette.