It's Asian size,please check the detail size on the size chart image.
<br />Size chart(1cm=0.39inch)                                        
<br />NOTE: Please compare the detail sizes with yours before you buy!!!
<br />color: black / wine red
<br />Size:  S / M / L / XL / XXL / XXXL / 4XL
<br />Bust(cm): 84 / 86 / 90 / 94 / 98 / 102 / 106
<br />Length(cm): 52 / 53 / 54 / 55 / 56 / 57 / 58
<br />Shoulder(cm): 37 / 38 / 39 / 40 / 41 / 42 / 43
<br />Sleeves(cm): 58 / 59 / 60 / 61 / 62 / 63 / 64   
<br />Hint for choosing proper size:
<br />1. Use similar clothing to compare with the size.
<br />2. Choose larger sizes, if your size are same as the flat measurement Size chart.