Donna Mizani Racer Front Midi Slit Dress in Tangerine. - size S (also in ) Donna Mizani Racer Front Midi Slit Dress in Tangerine. - size S (also in ) 90% nylon 10% spandex. Dry clean only. Unlined. Side slit detail. Hidden back zipper closure. Jersey knit fabric. DONN-WD245. D1289 F99. Designer Donna Mizani launched her eponymous line in 2008 with a collection of soft knit silk pieces. Known for her ability to spot trends, Mizani's collection embodies a style for the fashion-forward. Classic dresses and separates feature modern twists and current details, all rendered in a cool, seasonal palette.