Size SSize MSize LSize XLSize Reference: Wear Size S if under 130 jin (approx. 143 lbs). Wear Size M for 130-150 jin (approx. 143-165 lbs).Size Reference: Wear Size L for 150-170 jin (approx. 165-187 lbs). Wear Size XL for 170-190 jin (approx. 187-209 lbs).Store Manager: 175cm, 130 jin (approx. 143 lbs), wears Size M.