Post Birdie F*ck Up golf saying T-Shirt. Custom made on Gildan Pre-Shrunk cotton Tee. For the B and F we use an iridescent premium vinyl that changes color between Navy Blue, Teal and Purple depending on the lighting. For the P and U we use the following - On the black T-Shirt, we use silver; On the Gray we use Dark Green, On the White we use Black. This shirt can be personalized / changed to your liking by placing your requests in the comment box upon check out. If we have any questions, we will contact you prior to completing your project.