There is no size tag. I am S and 1.68 m tall in the photo.
Approximate measurements:
Shoulder to shoulder: 52 cm
Armpit to armpit: 62 cm
Total length: 80 cm
There is no composition tag. Fabric feels like wool.
Very good condition. There are some signs of wear on the lining.
Requires dry cleaning.
Type: blazer
Designer: YVES SAINT LAURENT