Find officially licensed Seattle Mariners Mens Custom shirts from Fanatics featuring official team graphics available in a variety of styles for every fan. Grab a new Mariners player name and number Mens t-shirt so you can display your team pride and support for your favorite player at the next game in a style you love. Shop Mens Mariners tank tops, long-sleeve shirts and short-sleeve tees so you're ready for every game throughout the season. Fanatics.com has the best Mariners Mens t-shirts, including throwback Seattle Mariners shirts so you can watch the game in a vintage look. Browse the best brands and find the perfect Mens Custom Mariners shirt for your game day wardrobe. Fanatics is your one-stop shop for all the Mens Seattle Mariners apparel you need to showcase your style and team spirit wherever you go.