- 100% Silk - V-Neckline - Maxi Length - Fit And Flare - Regular Fit - Shaped Waist - Blouson Sleeve - Unlined - Button Fastening - Shirred Elasticated Back - Crystal Embellishment Our Sisi Society Button Dress With Shaped Waistband has a fit-and-flare silhouette, with a cascading design that embodies grace in motion. Generous blouson sleeves elevate the romance. The print is inspired by the frescoes in the Bergl Rooms of Hofburg Palace in Vienna. A dreamlike landscape realised in lilac hues is glimpsed through ornate frames, lush botanicals, and painted coral birdlife.