Easy Mens Formal Suit One Button Trim-Fit Blazer Slim Fit Coats From China size, pls select 2 sizes bigger or contact seller for help Chinese Medium: Chest:38.58"(98cm) Length:25.20"(64cm) Shoulder:16.54"(42cm) Sleeve:24.80"(63cm) Chinese Large: Chest:40.16"(102cm) Length:25.98"(66cm) Shoulder:16.93"(43cm) Sleeve:25.20"(64cm) Chinese X-Large: Chest:41.73"(106cm) Length:26.77"(68cm) Shoulder:17.32"(44cm) Sleeve:25.59"(65cm) Chinese 2X-Large: Chest:43.31"(110cm) Length:27.56"(70cm) Shoulder:17.72"(45cm) Sleeve:25.98"(66cm)