Generic Mens V Neck Two-Button Slim-Fit Sport Coat Blazers cotton blend Pay attention to our size, pls check the detail measurement.Smaller than US size. US X-Small=China Medium:Length:26.38"(67cm), Bust:37.80"(96cm), Shoulder:16.54"(42cm), Sleeve length:24.41"(62cm) US Small=China Large:Length:26.77"(68cm), Bust:39.37"(100cm), Shoulder:16.93"(43cm), Sleeve length:24.80"(63cm) US Medium=China X-Large:Length:27.17"(69cm), Bust:40.94"(104cm), Shoulder:17.32"(44cm), Sleeve length:25.20"(64cm) US Large=China 2X-Large:Length:27.56"(70cm), Bust:42.52"(108cm), Shoulder:17.72"(45cm), Sleeve length:25.59"(65cm)