I'm afraid that you regard the size as Euro Size and US Size.please do not follow system size chart !!!<br />  if you want make a very correct choice you should choose by the size chart at the Second image !!!<br /><br />>available:S、M、L、XL、<br /><br />SIZEShoulderChestLengthSleeve<br />UnitCMCMCMCM<br />S37.5965460<br />M38.510055.561<br />L39.51045762<br />XL40.510858.563<br /><br /><br />Size Attention:<br /><br />\