The tag size is Asian size、 smaller than US size. Asian M=US S、 Asian L=US M、 Asian XL=US L. <br /><br />Set Include: 1pc Men's T-shirt Undershirt<br />Condition: 100% Brand New and High Quality<br />Material: Patent Leather<br />Color: Black<br /><br />Size details pls check the attached pictures、Thanks.