M (recommended 150-159cm40-45kg) QC L (recommended 160-165cm45-55kg) QC XL (recommended 165-170cm55-65kg) QC 2XL (recommended 170-175cm65-80kg) QC 3XL (175-180cm80-90kg recommended)4XL (recommended 180-185cm90-100kg) QC 5XL (recommended 185-190cm100-110kg)