SIMPLICITY Sewing Pattern 9730 (A) Misses Slips by Elaine Heigl features easy pull-on slips with elasticized waistlines are designed to layer underneath tops, sweaters, tunics and dresses for modesty and style. Mini length slips can have lace trim or mock placket with button trim and shirttail hem variations. A-line slips have ruffles at knee or below knee length. See envelope for more information.