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Erie SeaWolves BR Mattie Moon Mammoths Onesie

Erie SeaWolves BR Mattie Moon Mammoths Onesie

Introducing the BR Mattie Moon Mammoths Onesie—perfect for the littlest fans in your dugout. Crafted from 100% ringspun cotton, this 5.0 oz. onesie keeps your baby comfortable through every inning. The reinforced 3-snap closure makes diaper changes quick and easy, so you can get back to cheering on the Moon Mammoths. Soft, durable, and officially licensed—your future fan will be game-ready from day one.

The Moon Mammoths brand is a creation of Last Week Tonight with John Oliver, in partnership with Major League Baseball and the Erie SeaWolves.

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Original: $24.00

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Erie SeaWolves BR Mattie Moon Mammoths Onesie—

$24.00

$8.40

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Introducing the BR Mattie Moon Mammoths Onesie—perfect for the littlest fans in your dugout. Crafted from 100% ringspun cotton, this 5.0 oz. onesie keeps your baby comfortable through every inning. The reinforced 3-snap closure makes diaper changes quick and easy, so you can get back to cheering on the Moon Mammoths. Soft, durable, and officially licensed—your future fan will be game-ready from day one.

The Moon Mammoths brand is a creation of Last Week Tonight with John Oliver, in partnership with Major League Baseball and the Erie SeaWolves.

Erie SeaWolves BR Mattie Moon Mammoths Onesie | MiLB Store