Vintage 1960s The Weathercaster Denim Jean Snap Plaid Lined Jacket Small Medium

The exterior is denim, the lining is either acrylic or wool, I cannot tell for sure. Such an awesome jacket with vibrant colors. This has no size tag. Would be a mens Small or Medium. Please compare measurements to a favorite jacket: Chest (underarm to underarm): 19.25" across Waist (across the front): 19.25" Shoulder to Shoulder: 17" Sleeve Length (top of shoulder to cuff): 30.25" Length (top of shoulder to bottom hem): 29.5" Condition: This has very minimal wear, I do not see any flaws to note. Has a vintage storage odor. See all photos. Please do not hesitate to ask any questions! Smoke free, pet free.