Simplicity 6379 Girls and Chubbies One-Piece Dress ©1965. Dress with high round neckline and back zipper is gathered to yoke. V1 with long sleeves has ribbon bow and lace edging trim. Yoke is lined when made of lace, eyelet or sheers. V2 with short puff sleeves has beading, ribbon and lace edging trim. Sleeveless V3 with contrasting yoke has purchased ruffled banding trim