The New Era 59FIFTY is the iconic fitted baseball cap and is a staple in both authentic sports uniforms and lifestyle fashion culture. Known for its structured silhouette and sized construction, it has been the official cap of Major League Baseball since 1993 and the accessory at the heart of cultural and streetwear movements for decades. 59FIFTY Day is celebrated on May 9th (5/9) and with it a variety of new E-commerce products, supported annually by a relentless assortment of 59FIFTY packs driven by unique colors, fabrics, and graphics.