Simplicity 3100 1939. Dress and Housecoat. This style is suitable for casual or leisure wear. Neckline is square, finished with a trim band. Bodice and skirt join a waist hugging yoke. Buttons close the front opening. Sleeves may be long or short. A frilling accent may be used. As a housecoat, it has a wide ruffle at lower edge. Featured in June 1939 Simplicity Fashions Prevue: "Buttons from neck to hem accent this stylish frock."