Vintage 80s sizing runs small

More like a modern Medium

Please compare against your favorite sweater 

Bust lying flat,  from underarm to underarm is 19 “ 

Waist lying flat,  from side to side measures 18 “ 

Shoulders lying flat,  from side to side are 19 “ 

Long sleeves from neck to end are 29 “ 

Length,  from shoulder straight down is 24 “ 

85% Wool,  15% Nylon,  

Hand wash cold,  dry flat ( which I have done ) 

or dry clean