Binn Mens Casual Dress Suit Slim Fit One Button Blazer Jackets cotton blend Our sizes Come with Asia Size, Suggest 1/2 Sizes Up US Small=China Large:Length:27.95"(71cm), Bust:38.58"(98cm), Shoulder:16.93"(43cm), Sleeve length:9.61"(24.4cm) US Medium=China X-Large:Length:28.74"(73cm), Bust:40.16"(102cm), Shoulder:17.32"(44cm), Sleeve length:24.8 US Large=China 2X-Large:Length:29.53"(75cm), Bust:41.73"(106cm), Shoulder:17.72"(45cm), Sleeve length:9.92"(25.2cm) US X-Large=China 3X-Large:Length:30.31"(77cm), Bust:43.31"(110cm), Shoulder:18.50"(47cm), Sleeve length:10.08"(25.6cm)