ASL Men's Casual Full Zip Up Cozy Slim fit Sport Jacket Coat 100% Polyester Pay attention! Asian size! small than US size! small! US Medium=China Large:Length:25.98"(66cm), Chest:37.80"(96cm), Shoulder:16.93"(43cm), Sleeve:24.41"(62cm) US Large=China X-Large:Length:26.77"(68cm), Chest:39.37"(100cm), Shoulder:17.72"(45cm), Sleeve:24.80"(63cm) US X-Large=China 2X-Large:Length:27.56"(70cm), Chest:40.94"(104cm), Shoulder:18.50"(47cm), Sleeve:25.59"(65cm) US 2X-Large=China 3X-Large:Length:28.35"(72cm), Chest:42.52"(108cm), Shoulder:19.29"(49cm), Sleeve:26.38"(67cm)