Feel like you're one of the players on the field with a new Mariners Batting Practice hat from MLB Shop. Now you can represent your team while looking the part with officially licensed Seattle Mariners On-Field Batting Practice hats, jerseys and more. Our selection of Mariners Batting Practice headwear feature official team graphics with a sleek design so you can show your support for your team in ultimate style at every game or wherever you go. Mariners Batting Practice jerseys and more are also available to add to your game day wardrobe. You'll always be ready to put your team pride on display when you shop authentic Mariners MLB gear at MLBShop.com.