WAIST
  Inches CM
X-Small 27 - 29" 68.5 - 74cm
Small 29 - 31" 74 - 78cm
Medium 31 - 33" 78 - 84cm
Large 33 - 35" 84 - 89cm
X-Large 35.5 - 38" 90 - 96.5cm
XX-Large 38 - 40.5" 96.5 - 103cm