Irma Gown from Alamour The Label. The Irma Gown offers an abundance of class and luxury with each creative detail. Cut from a thick crepe fabric, it has a low v-cut neckline and falls from the hips to a straight silhouette. The stand-out feature of this gown is the delicate diamante strap that rises from the neckline and falls over the shoulders to a strappy back. Outer: 95% Polyester 5% Spandex Lining: 95% Polyester 5% Spandex