Vintage US Military Mens Lightweight Jacket w/ Removable Liner - Size 42 R

The jacket is pre-owned and has writing on the liner (photo 4) and jacket info tag (photo 6), but it's still in very good condition without any rips or holes. It's a size 42 R (approx 26 inches length). Please look at all of the photos and ask any questions before buying. Thank you!