http://www.ebay.com/itm/401000708160
This vintage Ranch-Jac was made in the late 1950s. It’s a particularly wild model with a zig-zag pattern fabric, sharply zig-zagged pocket flaps, back yoke and horizontal front yoke. It has peak lapels and a square cutaway.

Chest (pit to pit): 23″ (doubled = 46″)
Shoulder to shoulder: 19″
Sleeve (shoulder to cuff): 24-1/2″
Length (Base of collar to hem): 29-1/2″