JINIY Brand in Korea is a Brand designed by slim fit style FOR men and women in highest qualities and workmanship to bring buyers A different outlook on life of fashion, And mostly styles are Korean sizes and smaller than US or EU size. If you"re not sure about your size, Could you please advise us your Weight and Height in stones or Lbs and Inch. Measurements: Medium(US S)---shoulder 17"--chest 20"---Sleeve 24"--Length 27" Large(US M)----shoulder 17.5"--chest 20.5"---Sleeve 25"--Length 28" X-Large(US L)---shoulder 18"--chest 21"---Sleeve 26"--Length 29" Recommended size: Medium(US S)---5"5"(168cm), 143 lbs(65kg) Large(US M)---5"7"(175cm), 159 lbs(72kg) LX-Large(US L)----5"9"(181cm), 171 lbs(78kg)