Simplicity 2399; ©1957; Jr. Misses' and Misses' One-Piece Dress: Simple-to-Make chemise shirtdress has button-front opening; pointed convertible collar; slim skirt with center back kick-pleat. Top-stitching may be used and dress may be worn with or without a belt. V. 1 has short kimono sleeves with openings and button trim at lower edges. V. 2 is sleeveless. V. 3 is sleeveless and has top-stitched flap pockets at each side.