H2H 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:US Small (Asia M)------Shoulder 15"----Chest 36"----Sleeve 23.5"---Length 24" US Medium (Asia L)----Shoulder 16"----Chest 38"----Sleeve 24"-----Length 25" US Large (Asia XL)-----Shoulder 17"----Chest 40"----Sleeve 24.5"---Length 26" US X-Large (Asia XXL)-Shoulder 18"----Chest 42"----Sleeve 25"-----Length 27" Recommended size:US X-Small--- ~5"5"(165cm)~, ~135lbs(61kg)~ US Small----- ~5"7"(170cm)~, ~145lbs(66kg)~ US Medium---- ~5"9"(175cm)~, ~155lbs(70kg)~ US Large---- ~5"11"(180cm)~, ~175lbs(79kg)~ US X-Large--- ~6"1"(185cm)~, ~190lbs(86kg)~