It is US size.It is man size，but man and women both can wear it. <br /><br />Size XS:  Chest breadth:44cm    clothes length:63cm<br />Size S:  Chest breadth:47cm    clothes length:65cm<br />Size M:  Chest breadth:50cm    clothes length:68cm<br />Size L:   Chest breadth:53cm    clothes length:71cm<br />Size XL:   Chest breadth:56cm    clothes length:74cm<br />Size XXL:   Chest breadth:59cm    clothes length:77cm<br />Size XXXL:   Chest breadth:62cm    clothes length:79cm<br />Size XXXXL:   Chest breadth:65cm    clothes length:81cm<br /><br />Note:<br />Please compare above detailed size with your measurement before purchase.<br />Please allow 1-2cm differs due to manual measurement.<br />Due to the difference between  different monitors，the picture may not reflet the actual color of the item.<br />We guarantee the style is the same as shown in the picture，but not the same performance on different bodies as on the model.<p> <b><b><img src="https://contestimg.wish.com/api/webimage/58f076e6a0ff3a59fd7d2cf1-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58f076e6a0ff3a59fd7d2cf1-1-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58f076e6a0ff3a59fd7d2cf1-2-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58f076e6a0ff3a59fd7d2cf1-3-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58f076e6a0ff3a59fd7d2cf1-4-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58f076e6a0ff3a59fd7d2cf1-5-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58f076e6a0ff3a59fd7d2cf1-7-original.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/58f076e6a0ff3a59fd7d2cf1-8-original.jpg></b></b></p>