Show your support for the Seattle Mariners with this navy blue Fanatics T-shirt. This regular fit, XL size tee features a graphic print of the team's logo and is perfect for any casual occasion. Made of soft, machine washable cotton, this shirt is comfortable to wear and easy to care for. The crew neck and short sleeves make it a great choice for any dad who loves baseball. This T-shirt is a perfect gift for Father's Day.

Father’s Day baseball fan must have.