This men's vintage 80's Orvis Goose Down puffer vest is size large. It is in excellent, vintage condition.  It is made in Canada, 100% goose down, has a nylon lining and a shell that is 60% cotton and 40% nylon.
Approximate measurements, when lying flat, are:  18" from shoulder seam to shoulder seam, 27" from bottom of collar (in the back) to the bottom of the vest and 25" armpit to armpit.