It is not a reproduction of a jacket from a specific brand but a jacket loaded with some particular features seen in coveralls in 30's such as asymmetry pockets, chin strap and the location of the facing on the cuffs.
The denim fabrics woven using the 2×1 weave (2 warp threads for every weft thread) looks flat at first sight but as you keep wearing them, it will start to show its roughness and its beautiful fades underneath.
We've selected neppy, grey-colored threads for the warps, which makes the fabric 10 OZ.