Reformation Casette Silk Dress in Blue Iris. Size 6. Features charmeuse fabric, crossover back straps, high cowl neckline, sleeveless, side ruching, gathered waist, flutter hem, concealed back zip, maxi length, unlined. 100% silk. Style 1311240. NWT / New with tags. Tags: party, cocktail, evening, wedding guest, event, special occasion, cassette, formal, black tie, silky, satin, ruched, blogger favorite, blue, navy Chest: 18" Waist: 14" Length: 58" (approx.)