Sports & lifestyle shop Prociety serves a baseball cap with an upside-down logo to help collectors add an exclusive piece to their stash. Check out the Arizona Diamondbacks Inaugural Season Dark Royal Black 59Fifty Fitted Hat. The crown of this cap is constructed using dark royal panels and a black button on top. Both the Arizona Diamondbacks upside-down front logo and the Diamondbacks Inaugural Season side patch on the right panel are embroidered in full colors. The bill has a black uppervisor paired with a gray undervisor. On the left panel is the New Era Flag, and at the back is the MLB Batterman. Get yours here.