Yayu Men Checkered Button-Front Regular Fit Dress Shirt 1 or 2 Sizes Up Suggested as ours are Chinese Size US Medium:Length26.77"(68cm),Chest37.80"(96cm),Shoulder16.54"(42cm),Sleeve24.41"(62cm), US Large:Length27.56"(70cm),Chest39.37"(100cm),Shoulder16.93"(43cm),Sleeve24.80"(63cm), US X-Large:Length28.35"(72cm),Chest40.94"(104cm),Shoulder17.32"(44cm),Sleeve25.20"(64cm),Neck16.14"(41cm), US 2X-Large:Length29.13"(74cm),Chest42.52"(108cm),Shoulder17.72"(45cm),Sleeve25.59"(65cm)