Rubie'sCostume Co. Men's Grease, T-Birds Costume Jacket, Multi-colored, One size

Would this look like leather from the stage?

will a large fir 5'6", 180 lbs?

Will the XL fit a 5'10, 250 lb man?

Does it run big or small? 46R in dress coat and 36 pants should I jump up to an XL?