100% viscose. Front slant pockets. Double back welt pockets. ADDI-WP2. WP5543. Addison was the name of designer Amy Hsiung’s favorite childhood doll, who because the muse behind her free spirited designs. In 2009, Amy launched her contemporary, date-to-night collection, which featured clean lines and figure flattering silhouettes. In it’s current state, Addison delivers simple, chic and versatile closet staples that transcend time and trends.