Theory Fitted Midi Dress in Brown. - size 2 (also in ) Theory Fitted Midi Dress in Brown. - size 2 (also in ) Self: 65% acetate 29% polyamide 5% elastaneLining: 82% poly 18% spandex. Dry clean only. Fully lined. Hidden back zipper closure. Imported. THEO-WD386. I1009603. Theory is a visionary concept for modern intelligent fashion forward people. Founded in New York and made by the finest of fabrics, this makes the working everyday person feel powerful, ready to face their day.