70s orange jacket

Fashion jacket from the 60s/70s. No flaws to note. Belt is attached and not removable. No lining inside. There is no tag for size or material information. I provided the approx measurements below. My best assumption would be best for xs to s. This was a tad snug in the arms for me (I’m a small) as I probably couldn’t were it with a long sleeve under. Shoulder to shoulder: 14.5 in Waist: 14 in Sleeve length: 22 in Length: 26.5