Please refer to the height and weight
S: suitable height 165cm-175cm, weight 55-65kg
M : suitable height 165cm-185cm, weight 55-75kg
L: suitable height 165cm-190cm, weight 65-80kg
XL: suitable height 165cm-195cm, weight 75-90kg
XXL: suitable height 170cm-200cm, weight 85-100kg
3XL: suitable height 170cm-200cm, weight 95-105kg
4XL: suitable height 175cm-200cm, weight 105-110kg