S is fit height for between 63.4"-65.4" ，weight between 110lb -132lb <br>M is fit height for between 65.7"cm-67.7"cm ，weight between 132lb -154lb<br>L is fit height for between 68.1"cm-70.1" ，weight between 154lb -176lb<br>XL is fit height for between 70.