http://www.ebay.com/itm/271654485422
This vintage raincoat was made in the 1930s, and from the specifics, was likely sold by Sears. It is made from black rubber, with a cord trimmed collar, back yoke and hook and eye closure. It is single breasted, with flapped pockets, a rear vent and rivets at all points of stress.

Chest (pit to pit): 23-1/2″
shoulder to shoulder: 20″
sleeve (shoulder to cuff): 25″
Length (base of collar to hem): 48″