Y2K vintage Bill Blass jeans jacket women's petite size small

vintage Bill Blass jeans jacket I've got this marked Y2K but this could even go as far back ast the 80's since this shortie style was popular then this is a petite size small measurements are as follows and are approx: underarm to underarm = 18 1/2" shoulder to shoulder = 15 1/2" sleeve length measured from the top of the shoulder down -= 23 1/2" length measured from the back of the neckline down = 20"