<b><br>Please allow a little difference due to the manual measurement.Size is the US size.(Size unit:inch) <br><br>* Small--------Shoulder:14.4"-------Chest:37.1"-----Sleeve:22.6"-----Middle Back Length:24.6" <br><br>* Medium-------Shoulder:15.2"-------Chest:39.7"-----Sleeve:23"-------Middle Back Length:25.2" <br><br>* Large--------Shoulder:15.6"-------Chest:41.3"-----Sleeve:23.4"-----Middle Back Length:25.7" <br><br>* X-Large------Shoulder:16.4"-------Chest:44.5"-----Sleeve:23.8"-----Middle Back Length:26.1" <br><br>* XX-Large-----Shoulder:16.8"-------Chest:47.6"-----Sleeve:24.2"-----Middle Back Length:26.5"