Color Thread gray long sleeve tunic w/pockets-size M

Color Thread gray long sleeve tunic with pockets, 1 on each side. Scoop neckline. Ideal for everyday wear. Size M. Armpit to armpit is 21 inches, length is 29 inches. Material is 65% cotton, 35% polyester. In new condition. Says it’s a L, however, measurements say it’s more of a M.