Gus Hat  is the refers to a specific style of cowboy Hat with a trail worn look, sloped crown and mellow rolled brim. Gus Hat was popularized by Robert Duvall  when he wore one in his  film "Lonesome Dove”. This look has been a favorite among cowboys and those who want to be  cowboys for over a Decade.
Gus Hat is also known as a Hashknife Hat. 
    
        
        
                                                            