That is a very nice fit. I've owned several versions including the Aero and none of them worked for me. I also have an Original, but too small for wearing. Something in the length, I was just too short. Your jacket looks great. I missed the back shot? Interior?
Sears first showed the backs of jackets in 1935 catalog. The Original Hercules shows up in the 1936 catalog. First Half-Belt leather in the Sears catalog.
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Thanks!
I was pretty apprehensive about the fit and - alas - got it wrong the first time around. I will do more photos in the coming weeks; if the weather continues like this, there will be plenty of opportunity to wear anything from (i) nothing at all to (ii) a foul weather jacket.
Interior is Olive Cotton Drill. Together with olive contrast stitching, I borrowed this as a design-idea from @Ton312`s original Blue-PHWM.