Save 10% Off Signing Up for MLBshop.com exclusive emails MLBshop.com Rewards Earn FanCash for Future Purchases Jersey Assurance – Free Jersey Replacement Program Worry Free Shopping 90-Day Returns
Ends Friday at 11:59 PM ET
Up To 60% Off Use Code: FASTBALL *Some Exclusions Apply Click for Details
1 - 44 of 44
Jerseys
44 Items
Men's Seattle Mariners Kyle Seager "Seager" Majestic Black 2019 Players' Weekend Authentic Player Jersey
Almost Gone!
Men's Seattle Mariners Majestic Black 2019 Players' Weekend Authentic Team Jersey
Almost Gone!
Men's Seattle Mariners Dan Vogelbach Majestic Aqua Alternate Authentic Collection Flex Base Player Jersey
$224.99 with codeRegular: $299.99You Save: $75.00

Men's Seattle Mariners Dan Vogelbach Majestic Aqua Alternate Authentic Collection Flex Base Player Jersey

FREE Jersey Assurance
Men's Seattle Mariners Felix Hernandez Majestic Road Gray Flex Base Authentic Collection Player Jersey
$233.99 with codeRegular: $311.99You Save: $78.00

Men's Seattle Mariners Felix Hernandez Majestic Road Gray Flex Base Authentic Collection Player Jersey

FREE Jersey Assurance
Men's Seattle Mariners Felix Hernandez Majestic Home White Flex Base Authentic Collection Player Jersey
$233.99 with codeRegular: $311.99You Save: $78.00

Men's Seattle Mariners Felix Hernandez Majestic Home White Flex Base Authentic Collection Player Jersey

FREE Jersey Assurance
Men's Seattle Mariners Dan Vogelbach Majestic Navy Alternate Authentic Collection Flex Base Player Jersey
$244.49 with codeRegular: $325.99You Save: $81.50

Men's Seattle Mariners Dan Vogelbach Majestic Navy Alternate Authentic Collection Flex Base Player Jersey

FREE Jersey Assurance
Men's Seattle Mariners Yusei Kikuchi Majestic Light Blue 2019 Spring Training Flex Base Player Jersey
Almost Gone!
$264.74 with codeRegular: $352.99You Save: $88.25

Men's Seattle Mariners Yusei Kikuchi Majestic Light Blue 2019 Spring Training Flex Base Player Jersey

FREE Jersey Assurance
Men's Seattle Mariners Kyle Seager Majestic Alternate Green Flex Base Authentic Collection Player Jersey
$224.99 with codeRegular: $299.99You Save: $75.00

Men's Seattle Mariners Kyle Seager Majestic Alternate Green Flex Base Authentic Collection Player Jersey

FREE Jersey Assurance
Men's Seattle Mariners Kyle Seager Majestic Home White Flex Base Authentic Collection Player Jersey
$233.99 with codeRegular: $311.99You Save: $78.00

Men's Seattle Mariners Kyle Seager Majestic Home White Flex Base Authentic Collection Player Jersey

FREE Jersey Assurance
Men's Seattle Mariners Majestic White Hispanic Heritage Authentic Jersey
Almost Gone!
$194.99 with codeRegular: $259.99You Save: $65.00

Men's Seattle Mariners Majestic White Hispanic Heritage Authentic Jersey

Men's Seattle Mariners Felix Hernandez Majestic Home White On-Field Flex Base Authentic Jersey with Patch
Almost Gone!
Men's Seattle Mariners Felix Hernandez Majestic White Hispanic Heritage Authentic Player Jersey
Almost Gone!
$230.24 with codeRegular: $306.99You Save: $76.75

Men's Seattle Mariners Felix Hernandez Majestic White Hispanic Heritage Authentic Player Jersey

FREE Jersey Assurance
Men's Seattle Mariners Felix Hernandez Majestic Aqua 2017 Spring Training Authentic Flex Base Player Jersey
Almost Gone!
Men's Seattle Mariners Kyle Seager Majestic White 2017 Stars & Stripes Authentic Collection Flex Base Player Jersey
Almost Gone!
Men's Seattle Mariners Kyle Seager Majestic Gray 2017 Memorial Day Authentic Collection Flex Base Player Jersey
Almost Gone!
Men's Seattle Mariners Nelson Cruz Majestic White Steelheads Replica Jersey
Almost Gone!
$181.49 with codeRegular: $241.99You Save: $60.50

Men's Seattle Mariners Nelson Cruz Majestic White Steelheads Replica Jersey

Men's Seattle Mariners Majestic Northwest Green Fashion Authentic USMC Team Jersey
Almost Gone!
Men's Seattle Mariners Majestic Aqua 2017 Players Weekend Authentic Team Jersey
Almost Gone!

Seattle Mariners Flex Base Authentic Jerseys

If you’re looking to step up your MLB fandom this season, then the officially licensed MLB Shop has a vast collection of cutting-edge Seattle Mariners Authentic Flex Base jerseys to fit your needs. These Seattle Mariners jerseys are constructed with Flex Base technology, providing you with a lightweight and breathable experience while wearing it. Every fan will be able to find the Seattle Mariners Authentic Flex Base jersey that’s right for them, whether they’re looking for a Seattle Mariners All-Star Game Flex Base jersey, or an Seattle Mariners Alternate Flex Base jersey. Even when the heat starts to turn up, you can stay cool and comfy with one of the elite sleeveless Seattle Mariners workout Flex Base jerseys. Let everyone know which MLB player is truly your favorite with an authentic Seattle Mariners Flex Base player jersey. You’ve been a dedicated supporter for quite some time, show off your long-running allegiance with a classic Seattle Mariners throwback Flex Base jersey. No matter what style you’re looking for, the unbeatable MLB Shop is stocked with top-of-the-line Seattle Mariners Authentic Flex Base jerseys that will help you express your enthusiasm everywhere you go.