This is a Komon
Kimono with unique geometric pattern, which is dyed.
'shippou-tsunagi' (interlocking circles) ? or Shuriken?
Textile is silk, and it has soft touch.
Collar is hiro-eri (unfolded).
There is ah uneven spot of dyeing for about 23cm(8.97in) on left front panel, described as dyestuff stains.
There are also slight stains on back of the right sleeve.
Its lining has spots of mold.(E)
It has some other flaws as shown on photos.
If you do not mind the small flaws mentioned, it can continue to be worn.