Celebrate 2025 59FIFTY Day in MLB style with this Arizona Diamondbacks 59FIFTY Fitted Hat with Pins from New Era. The high crown and structured fit provide a classic and comfortable feel, while the embroidered graphics and special edition pins add flashy team flair to any outfit. As the official on-field cap of MLB, the 59FIFTY design is a timeless classic that's perfect for baseball fans and deserves a day to be celebrated.