Tilly and the Buttons: Introducing the Indigo smock top or dress pattern! Iris Cotton Smocked Sleeve Top in Indigo Checkerboard Tilly and the Buttons: Inspiration and Fabrics For Making Your Indigo Smock Tilly and the Buttons: Introducing the Indigo smock top or dress pattern! Tops Indigo Blues & Co. Women Indigo Seas. ?? 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.