Complete your evening wear with Ulla Johnson? Callista Dress. Spun from crinkle silk fabric, the mini dress has a ruffle trim that traces the silhouette. Beaded ties at the collar bring the piece together.. Self: 100% silkLining: 100% viscose. Dry clean only. Partially lined. Front tie detail. Elasticized waist and arm opening. Ruffle trim. ULLA-WD116. HO170105. Ulla Johnson knows what women want. With focus on design quality, fit and simplicity, she brings warmth and comfort into our closets.