Show off your Washington Nationals pride this coming season with the 2025 Batting Practice 9SEVENTY Stretch-Snap Trucker Hat from New Era. The 9SEVENTY provides a modern adjustable fit and versatile style with its structured crown, semi-curved visor and performance stretch sweatband. This Washington Nationals hat features COOLERA® technology to wick away sweat and MICROERA™ technology to reduce odor.