The Shoshanna Colony Midi Dress is a modern stretch taffeta cocktail dress featuring a round neckline, elegant draping on the bodice and skirt, and an asymmetrical high-low hem accented with a cascading side sash. The Shoshanna Colony Midi Dress is a modern stretch taffeta cocktail dress featuring a round neckline, elegant draping on the bodice and skirt, and an asymmetrical high-low hem accented with a cascading side sash. A born-and-bred Manhattanite, Shoshanna Gruss studied art history before pursuing her passion for design full-time. Her dedication to flattering silhouettes and a penchant for whimsical details have made her a mainstay in the industry since the debut of her first dress collection in 1998.