1950s Advance 6794 Misses' Maternity Slips: Two Slips, (View 1) Slip with panel front and back has side sections in one piece fitted, with underarm dart, to waistline casing. Adjusts at waistline with expanding elastic in casing from side front to side back. (View 2) Wrap-around slip, pointed fronts slant from underarm to back surplice closing. Adjustable at waistline back with buttons.