Celebrate championship baseball history with the New Era MLB 59FIFTY Arizona Diamondbacks 2001 World Series Cooperstown Collection Fitted Cap, a premium fitted hat that combines classic Cooperstown styling with commemorative World Series detailing for a timeless look trusted by baseball fans and collectors. The 59FIFTY is New Era's most iconic fitted silhouette, known throughout sports and streetwear culture for its structured high crown, flat bill, and authentic on-field construction. Designed with true fitted sizing and no adjustable straps, this cap delivers a clean, professional appearance with a secure fit tailored to your size. This Cooperstown Collection edition features a bold raised embroidered Arizona Diamondbacks Cooperstown logo on the front panels, giving the hat a vintage-inspired baseball look, while the 2001 World Series side patch adds a special championship detail honoring the Diamondbacks' historic title-winning season. The contrasting-color undervisor provides subtle visual contrast and reinforces the authentic on-field style. Built with durable six-panel construction and embroidered eyelets, this cap is made to maintain its shape while offering ventilation for everyday comfort. Crafted from 100% wool, it delivers a premium feel, long-lasting durability, and classic baseball heritage style, making it perfect for game day, casual wear, collectors, or any dedicated Diamondbacks fan. Available in fitted sizes 6 7/8 through 8, this hat features a high crown structured fit, flat brim design, raised embroidered Cooperstown logo, 2001 World Series side patch, contrast undervisor, and official MLB authenticity. Wipe clean with a damp cloth. Imported. Officially licensed MLB product.