Simplicity 3493; ©1951; Teen Age One-Piece Dress with Detachable Vestee, Collar and Cuffs, Plastron and Shaped Belt: The dress features a U neckline and wide skirt. The detachable vestee is fashioned with a box pleat. Its collar may be trimmed with rick-rack, as may the flare cuff. The pointed plastron features a Peter Pan collar. The detachable collar is U shaped, has matching cuffs. The shaped belt is trimmed with bows.