Each year on April 15th, Major League Baseball celebrates Jackie Robinson Day, a tribute to the man who broke the color barrier and paved the way for generations of players. Pay homage to an icon with this Seattle Mariners 2026 Jackie Robinson Day 59FIFTY Fitted Hat from New Era. Boasting a high crown, structured fit, and flat bill, this cap is a grand slam for any Seattle Mariners fan. Adorned with an embroidered team logo and side patch, this cap features eyelets for ventilation, as well as Robinson's iconic number sublimated on the underbill.