Black nylon and lace vintage St Michael slip dress nightgown

RARE vintage black nylon and lace 1970’s St Michael nightgown slip dress. Non adjustable straps. Perfect for that special occasion, romantic night in, bridal wedding boudoir lingerie. Fit is a size medium. Please see photos and read measurements and compare with your own to ensure a proper fit. Measurements (laid flat): Unstretched pit to pit: 16” Stetched pit to pit: 19” Length: 37” In excellent vintage condition.