Dear customer, our products are China size, hope you check the detail size under the product description.
If you have any questions, please contact us, we will give you a satisfactory answer.
US X-Large=China 3X-Large:Length:29.53"(75cm),Bust:44.09"(112cm),Waist:40.94"(104cm),Shoulder:18.11"(46cm),Sleeve Length:25.59"(65cm)
US 2X-Large=China 4X-Large:Length:29.92"(76cm),Bust:46.46"(118cm),Waist:43.31"(110cm),Shoulder:18.50"(47cm),Sleeve Length:25.98"(66cm)
US 3X-Large=China 5X-Large:Length:30.71"(78cm),Bust:48.82"(124cm),Waist:45.67"(116cm),Shoulder:18.90"(48cm),Sleeve Length:26.38"(67cm)