http://www.ebay.com/itm/272132554934
These were made by/for United Costumers Hollywood in the 1930s and later came to be part of Warner Brothers wardrobe department. They are made from wool gabardine with a fake broadfall front, buttoned legs, a side closure and front pockets.
Waist (side to side): 18-1/4″ (doubled = 36-1/2″)
Outseam: 30-1/2″
Inseam: 18-1/2″