Marni Ladies Dresses. Fashion category - Casual Dresses. SKU - ABMA1220A0-IRIS BLUE. Color - Blue. Marni Iris Blue A-Line Midi Dress. This Marni dress features a soft, light blue hue with a modest, elegant silhouette. It has elbow-length sleeves, a fitted bodice, and a flared, A-line skirt that falls to mid-calf. Subtle pleated detailing at the hem and clean, minimalistic lines give it a refined, sophisticated look.