McCalls' 6615; ©1979; Bathing suit, bikini, skirt or cover-up and bag sewing pattern for stretch knits only. Bathing suit gathered at sides has tied shoulder straps, upper band, and elastic in casings. Self faced bikini has elastic in casings, band extensions tied in front. Self faced bra has elastic and drawstring drawn thru casings. Skirt or cover-up and bag have drawstring thru casing.