This could be made with two panels for a front vestk, a good way to use special fabric when you have limited amounts.
Old Boro Noragi, a Japanese work jacket with no sleeves. Indigo dyed, mended countless times with hand stitching. Cloth from 19th century.
A Beautifully Sashiko Stitched Boro Noragi: Shonai, Yamagata Prefecture. Great inspiration for patching and stitching my rose work shirt, especially the patches on the shoulders for reinforcement and the cut of the sleeves.