For your consideration is a NWT Drumohr Woolen Bomber Jacket.
Super luxe piece from Drumohr, retail on this was over $1K.
63% Cotton, 31% Virgin Wool, 6% Polyamide.
This is tagged 50, I'd say it works for both M and L.
For an M, this would be a comfy, slouchy fit. For a L, more fitted.
Sleeve 27.5" (including cuff)
220 Shipped CONUS.
Drop! $190 shipped.