Thanks ton, it was made from an aniline hide that JC was trying out. It is quite a bit lighter than the original Bronco A-2, and I was told it will darken with wear. I mostly only wear jackets briefly to take a few photos, so it may remain this color.
I'll contribute - This Lost Worlds J23 was only built back in Feb 2020, and been worn very little since then. I am working on break-in and it seems to be having an effect....
Sloan did mention that he had a jacket that looked like this made out of buffalo hide that was made in the 80s