Simplicity 1400; ©1945; Teen-Age Two-Piece Dress: The dart-fitted top has a button closing to the waistline and is finished with an all-around peplum. The skirt is seamed down the center front and back and joined to a waist band. Style I has a notched collar and short sleeves trimmed with cuffs. In Style II, a contrasting detachable collar trims the neck and matching cuffs finish the three-quarter length sleeves.