Ulla Johnson Norma Blouse in Yellow. - size 0 (also in ) Ulla Johnson Norma Blouse in Yellow. - size 0 (also in ) Designed with a loose silhouette and fine, semi-sheer silk, the Norma Blouse is Ulla Johnson's latest patchwork creation. Contrast ruffles cascade along the sleeves, while a split neck with adjustable ties make this piece customizable and ready to wear in any setting.. 93% silk 7% viscose. Dry clean only. Semi-sheer fabric. Neckline tie. Elasticized cuffs. Imported. ULLA-WS135. HO180204. Ulla Johnson knows what women want. With focus on design quality, fit and simplicity, she brings warmth and comfort into our closets.