Celebrate 50 seasons of Mariners baseball with this Seattle Mariners Black Steelheads 50 Seasons New Era 59FIFTY Fitted Hat. This special edition pays tribute to the Seattle Steelheads of the Negro Leagues, with a bold cream 'S' embroidered on the black crown and a tonal '50 Seasons' commemorative patch on the side. The 59FIFTY is New Era's iconic 'true fitted' cap, distinguished by its structured six-panel crown and signature flat visor.New Era 59FIFTY Fitted HatOfficial New Era 59FIFTY fitted hatEmbroidered Steelheads 'S' logo on frontEmbroidered 50 Seasons commemorative side patchStructured high crown for a classic fitted lookFlat visor with the ability to curveFitted design for a precise, comfortable fitOfficially licensed