Introducing the Yankees 1999 World Series, Grey Bottom edition. Featuring a blue undervisor fabric, with tonal New Era flag and the custom made 1999 World series patch used during the throwback Fall Classic. Cooperstown batterman on the rear with raised embroidery finish off this modern classic. Navy blue fabric make this an easy-to-wear everyday hat, but the glow of the undervisor gives off a unique vibe that few hats can reproduce.