This is a Brooks Brothers knit. Of course, it is genuine. The color is blue, and the material is 95% wool and 5% cashmere. The size is based on flat measurements: length/approx. 64cm, width/approx. 51cm, shoulder width/approx. 46cm, sleeve length/approx. 64cm. Since it is a knit, it has elasticity. The feel is like a size L, but please refer to the actual measurements. This item has a used feel. Those who are used to USED items should still be able to wear it. Notes Due to work, email replies may be delayed. Please understand. There are pills, fuzzing, and stains. There is no size notation. Please understand that there may be slight scratches or stains that may occur during storage. Comments Please feel free to contact us if you have any questions.