The size is Chian size, it is smaller then USA size, pleae choose 2 sizes up! Any question please don't hesitate to contact us, will help you to solve problem.
US X-Small=China Small:Length26.38"(67cm),Chest38.58"(98cm),Shoulder16.54"(42cm),Sleeve24.41"(62cm);
US Small=China Medium:Length26.77"(68cm),Chest40.94"(104cm),Shoulder20.87"(53cm),Sleeve20.47"(52cm);
US Medium=China Large:Length27.95"(71cm),Chest42.52"(108cm),Shoulder21.65"(55cm),Sleeve20.87"(53cm);
US Large=China X-Large:Length29.53"(75cm),Chest44.09"(112cm),Shoulder22.44"(57cm),Sleeve21.26"(54cm);

• Imported
• China size, smaller than USA size. Please view the product description size measurement before you buy.
• Any questions, please contact us firstly, will give you a satisfied solution.
• We serve our customer with our best products & services.Feel free to contact us with any comments and suggestions!
• US Large=China X-Large:Length29.53"(75cm),Chest44.09"(112cm),Shoulder22.44"(57cm),Sleeve21.26"(54cm)

Imported