US S(165-170cm 60kg-65kg) (5'5"--5'7" 133-144lbs)
US M(170-175cm 65kg-70kg) (5'7"-5'9" 144-155lbs)
US L(175-180cm70kg-75kg) (5'9"-5'11" 155-166lbs)
US XL(180-185cm 75kg-80kg) (5'11"-6'1" 166-177lbs)
Fited Style POLO T-Shirts. If You want Loose Fit, You May choose 1 Size Up.
