Refer the size for body measurements;
XSmall: Chest:36", Waist: 28"-30'', Hip: 36.5''-38.5'';
Small: Chest:38", Waist: 30"-32'', Hip: 38.5''-40.5'';
Medium: Chest:40", Waist: 32"-34'', Hip: 40.5"-42.5";
Large: Chest:42", Waist: 34"-36'', Hip: 42.5"-44.5";
XLarge: Chest:44", Waist: 36"-38'', Hip: 44.5"-46.5";
XXLarge: Chest:46", Waist: 38"-40'', Hip: 46.5"-48.5";
3XLarge: Chest:48", Waist: 40"-42'', Hip: 48.5"-50.5";
4XLarge: Chest:50", Waist: 42"-44'', Hip: 50.5"-52.5";
5XLarge: Chest:52", Waist: 44"-46'', Hip: 48.5"-50.5";
6XLarge: Chest:54", Waist: 46"-48'', Hip: 50.5"-52.5