Late 1950s-early 1960s Penneys Big Mac sanforized flannel
tagged large 16 to 16 1/2
really nice light blue light, gray, medium, gray, and white plaid
One hole at the very bottom of the shirt and one hole in the left chest pocket some fraying at the bottom button on the placket
measures
23.5” chest, 28.5” length, 18” shoulder, 23.5” sleeve from shoulder