Simplicity 6156; ©1973; Unlined Jacket and One-Piece Dress in Half-Sizes ... Look Slimmer: The unlined jacket V. 1 & 2 with short set-in sleeves is collarless. V. 1 features knitted polyester braid trim. V. 2 features top-stitching trim. The sleeveless dress V. 1, 2 & 3 with pleated skirt stitched to bodice below normal waistline has front zipper, high round neckline, collar and optional purchased belt. V. 1 has contrasting collar.