Celebrate the Erie SeaWolves exciting rebranding to the Moon Mammoths with your young baseball fan by grabbing them this Alternate T-Shirt. Featuring an out of this world Moon Mammoths design by famous comedian and Last Week Tonight show host, John Oliver, this gear combines the fun and whimsy of Minor League Baseball with the legends of Erie's past giants. With a soft and breathable polycotton build, your kiddo will be able to commemorate the epic John Oliver x Erie SeaWolves collab in style and comfort.