The NIKE Men's Rafa Nadal Bull FEATHERLIGHT Dri-Fit Tennis Hat in Royal Blue is a high-performance hat designed for male tennis players. Made of polyester material, this hat features an adjustable size for a customized fit. With its signature Nike design and collaboration with tennis legend Rafa Nadal, this hat combines style and functionality for optimal performance on the court. The royal blue color adds a pop of color to your tennis outfit, making you stand out in the game.