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Authentic Collection
70 Items
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Ready to Ship
$59.99 with code
Regular: $79.99

Men's Seattle Mariners Nike Navy Authentic Collection Therma Performance Pullover Hoodie

Most Popular in Sweatshirts & Fleece
Ready to Ship
$59.99 with code
Regular: $79.99

Men's Seattle Mariners Nike Royal Authentic Collection Therma Performance Pullover Hoodie

Most Popular in Sweatshirts & Fleece
Ready to Ship
$13.99 with code
Regular: $19.99

Adult Seattle Mariners On-Field Authentic Collection Pro Face Covering - MADE IN USA

Most Popular in Accessories
Ready to Ship
Ready to Ship
$26.24 with code
Regular: $34.99

Men's Seattle Mariners Nike Aqua Authentic Collection Team Performance T-Shirt

Most Popular in T-Shirts
Ready to Ship
$26.24 with code
Regular: $34.99

Men's Seattle Mariners Nike Navy Authentic Collection Team Performance T-Shirt

Most Popular in T-Shirts
Ready to Ship
$149.99 with code
Regular: $199.99

Men's Seattle Mariners Nike Navy/Aqua Authentic Collection Dugout Full-Zip Jacket

Most Popular in Jackets
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Reduced: $46.49
Regular: $129.99

Women's Seattle Mariners Majestic Navy On-Field Thermal Jacket

Most Popular in Ladies Jackets
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Seattle Mariners Authentic Collection

You’re such a devoted fan that the authenticity of your allegiance is never called into question. At the MLB Shop there’s a collection just for true supporters like you. Our extensive array of gear in the officially licensed Seattle Mariners Authentic Collection will help your broadcast your passion to everyone around you. Top off your game day outfit with a classic Seattle Mariners fitted hat or Seattle Mariners mesh cap from the Authentic Collection, and you’ll be ready to show your support. If it’s getting a little chilly outside and you still want to boast your pride, rock any of the elite Seattle Mariners hoodies and Seattle Mariners sweatshirts featured in the shop for a true team look in the cold. Your excitement will be tangible when you head out into the cool weather sporting a top-notch Seattle Mariners varsity jacket, Seattle Mariners pullover, Seattle Mariners full-zip jacket and more from our collection. When things start to heat up, you’ll be prepared with the latest and greatest Seattle Mariners tank tops and Seattle Mariners shorts we have fully stocked. Whatever style you’re searching for, we have all the top brands, so every fan can find a Seattle Mariners T-shirt, cap, and more perfect for them. You can even emulate your favorite Seattle Mariners players and feel like a part of the team by getting your hands on any of the authentic Seattle Mariners jerseys and Seattle Mariners custom jerseys. Maybe you already have a vast array of Seattle Mariners team gear that you’re looking to expand or maybe you’re just beginning, but the Authentic Collection the MLB Shop is the only destination for all the hottest officially licensed Seattle Mariners gear that you’re searching for.