Simplicity 2030©1947Girl's One-Piece Dress: The back buttoning bodice is fitted with darts at the front and back waistline. A ruffle through which elastic is inserted may be worn on or off the shoulder. Shoulder straps are optional and the ruffling may be made of embroidered edging. The gathered skirt features an inset belt and a tie sash that fastens into a bow at the center back.