a heavy coat or jacket, usually by a reputable skiing or snowboarding brand, which is worn indoors in a building that is clearly of a warm enough temperature, for the sole purpose of letting people know you are a bro.
guy 1: its like 70 degrees in here, why is he wearing his jacket?
guy 2: hes just showing of his bro coat with his bro friends, bro
guy 1: what a bro.