Vogue Paris Original 2501; ca. 1971; Yves Saint Laurent - Misses' coat and knickers. Loose-fitting, slightly shaped, A-lined midi length coat has jewel neckline, front button and soutache loop closing and wrist length sleeves. Self or contrast knickers darted into waistband, have push-up elasticized pant legs. Side zipper closing. Featured in Vogue Pattern Book April/May 1971