New Era On-Field 59FIFTY Fitted Baseball Hat from the Washington Nationals . Features : Premium quality Official On-Field New Era cap from the Authentic Collection. Features Washington Nationals logo embroidered (raised) on front and MLB Batterman logo embroidered on back. Built with revolutionary moisture management technology that helps keep your head cool and dry, even on long summer afternoons at the ballpark. Classic 59FIFTY fit with a high structured crown and flat visor. New Era logo embroidered on left side. With stitched eyelets for breathability and black undervisor. Interior includes branded taping. Fabric : 100% polyester. Size : 59FIFTY Fitted Cap - For more size infos check the Size Chart. Officially MLB licensed.