- 100% Linen - Relaxed Fit - Camp Collar - Front Waist Patch Pockets - Side Splits - Short Sleeve The Sisi Society Short Sleeve Cabana Shirt has a relaxed structure for everyday ease. This linen essential takes you from poolside to the cocktail bar. 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.