Start your young fan's collection with a piece of baseball history in this Arizona Diamondbacks Cooperstown Logo 9FORTY A-Frame Adjustable Hat from New Era. Its signature A-Frame construction merges the front two crown panels, creating a high-profile pinched shape for an unmistakable, retro-inspired look. Featuring crisp embroidered graphics that honor the team's throwback logo, the cap also has eyelets on the mid and rear panels for ventilation. The adjustable strap ensures a secure fit, making this the perfect choice for sunny ballpark afternoons and backyard games.