The shirt material was found at Goodwill. Used to be part the sleeves of a girls shirt. Very little material to play with. It was amazing I was able to tweak four shirts out of it. The pants were part of a wool mens suit also from Goodwill. The belt/fake leather vest was a fake leather fabric purchased at Joanne's Fabric.
Here are the pants for my ape buddies who also wanted "in" on the project. I am making a total of four complete outfits: belt, vest, shirt, pants and belt pack...
Here's another interesting shot: