Vintage Red white and blue striped button up

Vintage red white and blue striped button up shirt. Circa 1980s/90s and in good condition. Only flaw is slight yellowing on back of inner collar (as pictured). Red white and blue vertical stripes. White and blue striped on inner collar. Pocket on chest. Button up. Tag reads size adult medium. Measurements laying flat are 29” length, 23” width. 4th of July festive! pacsun urban outfitters free people vintage