J. Crew Chambray Button Up Long Sleeve Shirt Size 8

J. Crew Chambray Button Up Long Sleeve Shirt Size 8 Approximate Measurements While Laying Flat and buttoned: From top of shoulder to bottom of the top 27 inches From underarm to underarm 20.5 inches Sleeve length 24.5 inches I can’t find a fabric content tag May have had buttons on upper sleeve before because there are two darker spots From a smoke free environment All questions welcome!