Abstract: A baseball cap with an interchangeable bill is disclosed whereby the user can change the bill of the cap with ease. The design of this product creates a separable bill and crown that integrates into one piece, the adjustment means and brim reinforcement means of the cap and maintains the ease at which one can switch out one bill and replace it with another. An embodiment is also disclosed whereby the replaceable bill is secured in place to prevent accidental dislodgement of the bill when one grabs at the hat to put it on. Another embodiment allows the user to replace the entire crown of the cap without even removing it from the user head.