Note!!! The The This is the Asian size, less than the size of the United States, in the product description which has a detailed size.
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US X-Small=China Medium:Length:25.20"(64cm),Bust:39.37"(100cm),Shoulder:16.54"(42cm),Sleeve Length:24.80"(63cm)
US Small=China Large:Length:25.59"(65cm),Bust:40.94"(104cm),Shoulder:16.93"(43cm),Sleeve Length:25.20"(64cm)
US Medium=China X-Large:Length:25.98"(66cm),Bust:42.52"(108cm),Shoulder:17.32"(44cm),Sleeve Length:25.59"(65cm)
WSPLYSPJY Men Slim Fit Open Front Shawl Collar Stylish Cardigan - F16KP99HX