Coleman Red Plaid Flannel Button Up Shirt

Coleman Red Plaid Flannel Button Up Shirt Medium Longsleeve Grunge It's a size medium. It measures " arms, 23" armpit to armpit, 31" in length and shoulder.  Great pre-owned shirt. It's nice and crisp. Looks barely used. There are 2 tiny spots on the back near the bottom. Could be manufacturer defect.