Ulla Johnson Wilhemina Gathered Floral Jersey Bubble Mini Dress, NWOT (never worn!) Size XS. Ulla Johnson's 'Wilhemina' dress is crafted in stretch jersey patterned with a floral paisley print. It's made from stretch-jersey with romantic billowy sleeves and gathered detailing. It has a bubble hem and a turtleneck neckline. It has a back zipper closure. Retail $570.