Simplicity 9338; ©1971; Simple-To-Sew Babies' Jiffy One-Piece Snap-On Suits: The lined, one-piece snap-on suits have elastic casing at front waistline and leg edges. V. 1 with low round neckline has back shoulder extensions buttoned to front. V. 2 with high round neckline has front snap closing and optional purchased applique.