Simplicity 6988; ©1975; Boy's Shorts or Swim Shorts and Pullover Top: The top-stitched, pullover top has low round neckline, curved slits in side seams and optional braid trim. The shorts or swim shorts have elastic waistline casing, curved slits in side seams and top-stitching trim simulating a fly. The shorts have braid trim and purchased applique. The top-stitched swim shorts have jersey trunks.