This Learsi's brand women’s 80s jean jacket has the signature slight puffiness at the top of the shoulders, a baggy fitting chest, and then a fitted waist. The waistband does have some slight stretch on the back side. This is tagged a size medium and it appears to fit best a 6/8. The arms are a little short and they also have narrow openings at the cuff.

Good condition, size M (6 - 8). There is a small stain to the right of the 2nd snap from the top. Also a small one on the right pocket. See last 2 pictures.

Detailed measurements:

Length from top of shoulder near neck to bottom of coat -23"
Bust - 40 inches
Waist - 38 inches
Sleeve length underarm to end of cuff -17"
Sleeve opening while cuff is snapped -8.5" around

This item is sold from an excellent, highly rated vintage boutique in DeKalb, IL.