GANNI Women's Duchesse Nylon Short Jacket in Black GANNI Ganni Coats & Jackets Flannels Ganni Coats & Jackets Flannels GANNI Duchesse Nylon Fitted Jacket Black MANE by Stable Ganni Black Recycled Nylon Jacket ShopStyle. The belted double breasted Coat by GANNI features a double breasted button fastening, a matching waist belt that shapes the silhouette, and eyelet embellishments that add a modern edge. The design is finished with a ruffled collar, bringing a feminine and distinctive touch to this bold, contemporary outerwear piece. Season: SS26 Fit: Regular Composition: 100% Nylon