This is a vintage men's juban(undergarment).
It is made of very soft silk, and unique dancing men theme, which is dyed with shibori technique. Please check its unique details with more photos.
It has some stains and snags, and lining has patina. But as a whole it is in very good condition.
*Softness ( Exceptionally Soft, □ Soft, Medium, Comparatively Stiff, Stiff )