vintage western shirt, over dye tinted coloring.  altered modern western fit sliming straight body and sleeves. Painted over snaps   
 
See this shirts Measurements in last image. 
We strongly suggest to source your own wearble fit that you Mesure a few of your own favorite comparable shirts to see what the range is in your own shirts. Also note altering new shirts to fit you best is always suggested to own a garment to its best use is if its made to fit you the way you most suitable to what you like. Keep in mind altering this shirt yourself to its perfect fit for you when you get it.