REVERSABLE! men's jacket coat vest size large

deep red on one side - army green on the other! the red side has a spot by the pocket there is no size tag so please check measurements below (which are approximate) underarm to underarm = 20 3/4" length measured from back of neckline down = 29" according to google, these measurements equal a size large in men's no material tag either - it is like a windbreaker type fabric