Size is XX-Large. XXL WIDTH at narrowest point under armpits: 17.25 in., 44 cm., HEIGHT from top of collar at back of shirt to waist: 25 in., 63.5 cm., SHOULDER TO SHOULDER as measured from seams: 15.5 in., 39.4 cm. SLEEVE from seam at top of shoulder to cuff: 5.25 in., 13 cm.