Tilly and the Buttons: Introducing the Indigo smock top or dress pattern! Tilly and the Buttons: Introducing the Indigo smock top or dress pattern! great northwest indigo Jackets & Coats Great Northwest Indigo NEW Indigo and Roses. ?? This smocked cotton top is designed to bring bold texture and effortless femininity to everyday dressing. Crafted from breathable cotton in a striking blue checkerboard pattern, the fully smocked bodice creates a flattering, flexible fit. Puff shoulders, fluted cuffs and a soft peplum hem add gentle movement. Style this cotton top with denim or tailoring for easy day to evening styling.