Simplicity 4570; ©1943; "SIMPLE TO MAKE" BLOUSE AND SKIRT. Style I Blouse, with three-quarter length sleeves, is finished with a drawstring neckline which fastens with a bow. The dirndl skirt. with slash pockets, is artfully gathered and joins to a waistband. Style II blouse, with short sleeves, has round gathered neckline, finished with a shaped band.