McCall's 7666; ©1964; Toddler Girls' Dress and Bloomers. Back-button dress has insets and inverted pleats in front, and bloomers. Dress may be sleeveless or have short set-in sleeves. Sleeveless dress has contrasting front insets and bloomers. Dress with sleeves has two-piece interfaced collar. Back edges of dress are interfaced. Bloomers have elastic in casings at top and leg openings.