jeansian Men's Sport Quick Dry Short Sleeves T-Shirts Tees LSL182 100% Polyester Imported and Designed by Jeansian Garment Factory Fited Style T-Shirts, If You want Loose Fit, You May choose 1 Size Up. 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(175-180cm 70kg-75kg) (5'9"-5'11" 155-166lbs) US XL(180-185cm 75kg-80kg) (5'11"-6'1" 166-177lbs)