It is a lightweight thin woven fabric which does not stretch. There is no size or fabric content tag, I am estimating it to fit a size S/M.

It feels like a polycotton blend.

There is a spot of wear/split stitches in the armpit, see photos.

Please check the measurements for size.

Shoulders 16"

Sleeve 23"

Chest 42"

Length 25"

B122