Simplicity 6663; ©1974; Misses’ Two-Piece Dress in Two Lengths or Top (sized for stretch knits only): The flared tops with keyhole opening fastened with thread loop and button have set-in sleeves and straight or zig-zag topstitching trim. V. 1 & 2 have long sleeves. V. 3 has short butterfly sleeves. Short skirt V. 1 and long skirt V. 2 have back zipper and elastic waistline casing. Tops and skirts feature ripple hems done with a straight or zig-zag top stitching.