measurements:
us small (asia m)-------shoulder 18 ----chest 38 ----sleeve 26.5 ---length 25
us medium (asia l)-----shoulder 19 ----chest 41 ----sleeve 27 -----length 26
us large (asia xl)-------shoulder 20 ----chest 44 ----sleeve 27.5 ---length 27
us x-large (asia xxl)---shoulder 21 ----chest 48 ----sleeve 28 -----length 28

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)~