Size Reference
   M:chest 73~77cm, waist 61~67cm,weight 40~47kg
   L:chest 78~82cm, waist 67~73cm, weight 45~57kg
 XL:chest 83~88cm, waist 73~79cm, weight 55~65kg
XXL:chest 88~95cm,waist 79~86cm,  weight 65~75kg