This reminds us of the medical assistants that work in the labs at the Mayo Clinic: it's a blue over jacket to protect your garments from messy work (nursing work, lab work, hair colorist...).
We acquired it from a theater group, and it looks like it's brand new.
Label: Angelica Made in USA
style 88008 RCW
fiber: 65% polyester 35% cotton blend
Measurements are (more like a large) :
up to 46" bust
28" long from center back of the neck to the hem
17" shoulder point to shoulder point
5 and 3/4" from neck point to shoulder point
18.5" sleeve length
Condition: looks new. In excellent condition, with no flaws.
Dr. Frankenstein's assistant,
make up counter technician,
vintage colorist (wear your hair up big and colorful, wear rubber gloves...vintage eyeglasses...)