Tag size large and it is a very loose fit. It was made in Singapore of 100% nylon.
The neck, waist, cuffs and bottom are all adjustable for a perfect fit. It measures 24" across the shoulders, 27" across the chest and 33" in total length from the neck to the bottom.
High quality piece from the early 90's. There is a tiny hole at the very bottom of the zipper cover flap, please see photo. Otherwise it is in very good condition and there are no stains or imperfections.