We already converted to be U.S. Please ignore the tag size.<br> Size information (inches):<br> <br> <b>We corrected the size of all shirts. Never run small.</b><br> <br> US X-Small (Tag M)-----------------Chest 37.8"---Shoulder 16.5"---Sleeve 24.0"---Length 27.2"<br> US Small(Slim Fit) (Tag L)---------Chest 39.4"---Shoulder 17.3"---Sleeve 24.4"---Length 28.0"<br> US Small (Tag XL)------------------Chest 40.9"---Shoulder 18.1"---Sleeve 24.8"---Length 28.7"<br> US Medium(Slim Fit) (Tag 2XL)------Chest 42.5"---Shoulder 18.5"---Sleeve 25.2"---Length 29.5"<br> US Medium (Tag 3XL)----------------Chest 44.1"---Shoulder 19.3"---Sleeve 25.2"---Length 29.9"<br> US Large(Slim Fit) (Tag 4XL)-------Chest 45.7"---Shoulder 20.1"---Sleeve 25.6"---Length 30.7"<br> US Large (Tag 5XL)-----------------Chest 47.2"---Shoulder 20.9"---Sleeve 25.6"---Length 31.1"<br> US X-Large (Tag 6XL)---------------Chest 51.2"---Shoulder 21.3"---Sleeve 26.0"---Length 31.9"<br> US XX-Large (Tag 7XL)--------------Chest 55.1"---Shoulder 22.0"---Sleeve 26.4"---Length 32.3"<br> <br> <b>We want you to be completely satisfied with your purchase from us. We will check carefully before shipping. Please contact us once you have any problem. We aim to process all requests within 12 hours upon receiving.</b><br>