Simplicity 3837; ©1951; Girl's One-Piece Dress, Sundress and Jumper: This pert little dress buttons to the waistline and features a Peter Pan collar and full sleeves gathered into a band at the lower edge. A ruffle outlines the lower edge of the circular skirt. The sundress and jumper are fashioned with a sweetheart neckline. Cap sleeves are cut in one with the bodice. Bow-trimmed patch pockets adorn the circular skirt. The jumper is shown over the dress.