There is no label showing the size, but it looks like a small. Measurement around chest (under arms) is 42". Front is single breasted with 2 brown buttons. 3 matching button at end of sleeves. Collar is knotched. Right front pocket with a flap. Left front pocket and left chest pocket are non-useable (sewn closed). Front chest pocket has a gray faux hankerchief (knit material) sewn in. Inside left also has a slip pocket and a pen pocket. The lining is a silk-like fabric, with a button close pocket on each side at chest. Double vented. Fabric is a Black Tweed with flecks of gray/white. Dry clean only.