Hello、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 but follow the size imformation as below <br /><br />ASIA SIZE available: M、 L、 XL、 XXL、 XXXL<br />Size: Shoulder /  Chest/ Length<br />M:        40cm/   92cm/    66cm<br />L:       42cm/   94cm/    68cm<br />XL:     44cm/  96cm/    70cm<br />XXL:   46cm/  98cm/    72cm<br />XXXL: 48cm/  100cm/    74cm