I'm afraid that you regard the size as Euro Size and 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 !!!<br /><br />>available: XS、S、 M、 L、 XL、 <br /><br />>ASIA SIZE Shoulder / Chest/ Length / Sleeve<br />   XS:         43cm/  98cm/    65cm/  61cm<br />    S:        43cm/  98cm/    65cm/  61cm<br />    M:       43cm/  98cm/    65cm/  61cm<br />    L:      44cm/ 102cm/    67cm/  62cm<br />   XL:     45cm/ 106cm/    69cm/  63cm