Vintage 50s Cal Sports Wool Flannel Shirt Red Navy Plaid USA 15.5 M

Beautiful vintage 1950s Cal Sports wool flannel shirt — made in the USA and tagged size 15½ (M). Crafted from an 85% wool and 15% nylon blend, it features a classic red, navy, green, and cream plaid pattern with dual button-flap chest pockets, full button front, and soft satin-lined interior. The mid-weight fabric offers a warm yet breathable feel, ideal for layering or standalone wear. It measures 21” pit to pit and 26.5” in length, giving it a true medium fit with that classic mid-century workwear silhouette. Excellent vintage condition with no major flaws noted — crisp colors and clean lines throughout.