VTG 60's/70's Sportsman Cal-Made Button Down Shirt

This shirt is in good condition and there is some thread missing on parts of the bottom hem. Vintage made in California, this shirt has a slit pocket on the left chest. No material tag, it appears to be made of polyester. Shoulders- top shoulder seam to seam across to top: 16 1/2" Chest- armpit to armpit: 22" Length- top of the collar to front bottom: 29 1/2" Sleeve- edge of shoulder seam to end of cuff: 11" Tag Size: Large Cleaning Instructions: Machine Wash P93