This is a vintage adult's raincoat by REI in a size large.
The raincoat is blue and features a drawstring hood, a half-zipper front closure, two zippered front pockets, and a drawstring waistband.
It measures about 24.5" from underarm to underarm, 31.5" from shoulder to sleeve opening, and 29" from the back of the collar to the hem when laid flat.
This coat was made in the U.S.A. with 100% nylon.
It comes in good pre-owned condition with some stains on the front and the sleeves.