Chinese size is smaller than your country size,
<br />So please choose the size from the size chart,
<br />If you don't know just give me about your weight and stature 
<br />i will check the size for you ,
<br />thanks.
<br />
<br />USA slim fit size avai lable :   M L XL  XXL  XXXL
<br />       SIZE         Chest     Length    shoulder    Sleeve      
<br />        USA  XS     100cm      64cm      45cm       61cm
<br />        USA  S      103cm      65cm      46cm       62cm
<br />        USA  M      106cm      66cm      47cm       63cm
<br />        USA  L      110cm      67cm      48cm       64cm