Celebrate Arizona baseball history with this iconic New Era 9Forty cap, commemorating the Diamondbacks' legendary 1998 inaugural season. Featuring the classic black and light green colorway that defined an era, this adjustable hat delivers authentic vintage appeal with modern comfort. The structured 9Forty silhouette provides a timeless fit that works for collectors and casual fans alike. Perfect for game day or everyday wear, this limited-edition piece captures the spirit of a franchise milestone. Own a piece of MLB nostalgia.