This is a vintage juban(undergarment) made of rinzu silk. It has exotic shippou-tsunagi pattern, and has soft touch.
It has some flaws as photos show, but as a whole it is in very good condition.
*Approx background color - vermilion
Softness ( Exceptionally Soft, □ Soft, Medium, Comparatively Stiff, Stiff )
photo:wada