http://www.ebay.com/itm/272141284415
This vintage coat was custom made in the 1970s, with an elasticized back, a deeply slit back, double buckled cuffs and a snap front.
Chest (pit to pit): 24″ (doubled = 48″)
Shoulder to shoulder: 16-1/2″
Sleeve (shoulder to cuff): 23-3/4″
Length (base of collar to hem): 48-1/2″
Vintage-Haberdashers Blog 