New Era 59FIFTY Seattle Mariners 2017 Spring Training Hat AZ Navy Teal Trident New Era 59FIFTY Seattle Mariners Spring Training hat from the 2017 Arizona Cactus League season. This fitted cap features a navy blue diamond textured crown with a contrasting teal flat brim. The front showcases the classic Mariners trident logo in raised embroidery, while the side features a commemorative 2017 AZ Spring Training patch. Finished with the signature New Era flag on the side and the MLB batterman logo on the rear, this performance-style hat is a great find for any Seattle baseball fan. #Sporty #Casual