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: Small (US XS)---Shoulder 17"----Chest 19"--Sleeve 23"----Length 28"---Neck 14" Medium (US S)---Shoulder 17.5"--Chest 20"--Sleeve 23.5"--Length 28.5"--Neck 14.5" Large (US M)---Shoulder 18"----Chest 21"--Sleeve 24"----Length 29"----Neck 15" X-Large(US L)---Shoulder 18.5"--Chest 22"--Sleeve 24.5"--Length 29.5"--Neck 15.5" Recommended size: Small (US XS)---5"5"(168cm), 136 lbs(62kg) Medium (US S)---5"7"(175cm), 154 lbs(70kg) Large (US M)---5"9"(181cm), 167 lbs(76kg) X-Large(US L)---6"2"(187cm), 180 lbs(82kg)