Vintage 1960s Simplicity sewing pattern 3622. Slenderette - Misses and Womens Walking Suit. Slim Skirt has darts at waistline, back vent opening and left side zipper. Lined 3/4 length coat has long set-in sleeves., lowered front neckline, collar and welt pockets. View 1 has upper welt trim and top-stitching.