An epic Arizona Diamondbacks throwback is slithering your way with this 2025 City Connect Batting Practice M-Crown 9FORTY Adjustable Hat from New Era. The 9FORTY is New Era's essential adjustable style and features a six panel construction with eyelet for a classic and breathable fit. The vibrant color scheme, inspired by the team's 1998 jersey, adds a fun retro feel to this piece that makes it the perfect accessory for game day.