Simplicity 3663; ©1951; Teen Age Jumper or Dress and Jacket: Sleeveless jumper features a square neckline. The skirt is fashioned with a yoke and soft pleats at front waistline. Two pockets style the front of skirt. The jacket has 2 button closure & small collar. Two flaps trim the front. 3/4 sleeves are cuffed/ Top-stitching trim skirt and jacket are optional.