Hat Club releases some additional pieces from the Aux Pack baseball cap designs that they released earlier this month. Choose your fave song from the MLB Aux Pack Bonus Tracks 59Fifty Fitted Hat Collection. A total of 17 team hats are included in this drop, all inspired by notable hip-hop songs for the color scheme of the dome, bill, and front embroidery. The front design features a throwback team logo, while the right panel has a commemorative side patch. Each hat also has the New Era Flag on the left panel and the MLB Batterman logo at the back. Available at the Hat Club webstore, head out there now while stocks last.