I'm afraid that you regard the size as Euro Size and US Size.please do not follow system size chart !!!   if you want make a very correct choice you should choose by the size chart at the Second image !!!  >available: XS｣ｬS｣ｬ M｣ｬ L｣ｬ XL  >ASIA SIZE  Shoulder / Chest/ Length / Sleeve/    XS:         42cm/ 98cm/    66cm/   61cm/     S:        44cm/ 104cm/    68cm/    62cm/     M:       46cm/ 110cm/    70cm/    64cm/     L:      48cm/ 116cm/    72cm/   66cm /    XL:     50cm/ 112cm/    74cm/    68cm/