It is Chinese size and smaller than the USA size.
Please check the size carefully.
US X-Small=China SmallLength25.98"(66cm),Bust36.22"(92cm),Waist29.92"(76cm),Hip37.01"(94cm),Shoulder17.32"(44cm),Sleeve Length23.23"(59cm),Pant37.40"(95cm)
US Small=China MediumLength26.77"(68cm),Bust37.80"(96cm),Waist31.50"(80cm),Hip38.58"(98cm),Shoulder17.72"(45cm),Sleeve Length23.62"(60cm),Pant38.19"(97cm)
US Medium=China LargeLength27.56"(70cm),Bust39.37"(100cm),Waist33.07"(84cm),Hip40.16"(102cm),Shoulder18.11"(46cm),Sleeve Length24.02"(61cm),Pant38.98"(99cm)
SportsX Men Plaid Double-Breasted Wedding Dinner Jacket 3PC for Show Green B07FRWC38F
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