Abstract text

An aerodynamic cap brim includes a first and a second outer portion, a first and a second inner portion. The inner portion including a cut-out portion and an airfoil portion. The aerodynamic cap further including a first coupling portion and a second coupling portion. The first coupling portion and the second coupling portion each adapted to couple to a cap. A method includes attaching an aerodynamic cap brim to a cap. The aerodynamic cap brim includes a first and a second outer portion, a first and a second inner portion, where the inner portion includes a cut-out portion and an airfoil portion. A first connecting portion and a second connecting portion where the first connecting portion and the second connecting portion connect to the cap.