Hello,my dear~~Please read it with patience.
<br />Because the size is Asia size in our store, I'm afraid that you regard the size as US size. please do not follow system size chart !!!
<br />if you want make a very correct choice you should choose by the size chart at the Second image 
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<br />Size Reference
<br />S:  height: 165cm-170cm,weight:60kg-65kg
<br />M:  height: 170cm-175cm,weight:65kg-70kg
<br />L: height: 175cm-180cm,weight:70kg-75kg
<br />XL:height: 180cm-185cm,weight:75kg-80kg
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<br />ASIA SIZE available:XS, S ,M, L, XL
<br />Size:  Shoulder /  Chest/ Length / Sleeve
<br />XS:     41cm/    100cm/  63cm/  69cm
<br />XS:     42cm/    102cm/  64cm/  60cm
<br />S:     43cm/    104cm/  66cm/  62cm
<br />M:     45cm/    106cm/  68cm/  64cm
<br />L:     46cm/    108cm/  69cm/  66cm 
<br />XL:    47cm/    112cm/  70cm/  67cm  
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<br />If you have any question,you can contact us.We are always willing to help you~~❤
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