Simplicity 3970 1960's Junior and Misses One-Piece Dress: "Simple to Make" Dress has slightly lowered neckline, slim skirt with back kick pleat and backzipper closing. V1 has short set-in sleeves, front trim and self belt. Only border print fabric is used. V2 has short set-in sleeves, self belt and braid trim. Sleeveless V3 is featured in two colors. Tie belt is of both fabrics used for dress. 11 pattern pieces.