It's Asian size,please check the detail size on the size chart image.
<br />100% Brand New
<br />Weight: 588g(Brown),630g(Dark Gray),638g(Black)
<br />There are three colors for selection: Dark Gray, Black and Brown
<br />Material: Poly cotton + Fleece
<br />3 Sizes available:
<br />AsianS (US XS(2) ,UK 2, AU 4)
<br />AsianM (US S(4) ,UK 6, AU 8)
<br />Asian L (US M(8-10),UK 10, AU12)
<br />Size: There are   three sizes (S, M and L)   available for the following listing. please allow 1-2cm differs due to manual measurement, thanks (All measurement in cm and please note 1cm=0.39inch)
<br />NOTE:   Please compare the detail sizes withyours before you buy!!!
<br />Hint for choosing proper size:
<br />1. Usesimilar clothing to compare with thesize.
<br />2. Choose larger sizes if your sizeare same as the flat measurement Size chart.
<br />Attention:
<br />1.Please ignore the tag size comes with the cloth. The tag size sometimes can be a larger than our description size because those are for Chinese. We are 1 or 2 sizes smaller than European and American people.