This is a men's blazer from Saint Laurent. It is a wool jacket in a size 40R with a classic fit. The jacket features a single-breasted design with one-button front button style and a notch lapel style. The jacket is suitable for various occasions such as weddings, parties, business meetings, and casual outings. The jacket has a herringbone pattern with a gray color and is made of tweed fabric. It is a vintage piece with a designer, college, classic, and sports theme.