This isn’t just your average ordinary corporate event, this is the mother effin’ Catalina Wine Mixer! If you’ve ever wanted to perform at this annual event like Will Ferrell and John C. Reilly did in the hit comedy Step Brothers, show it off in style with the help of this awesome Catalina Wine Mixer t-shirt! Let everyone know about the kind of gigs you have played with the help of this officially licensed Step Brothers t-shirt.