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15 Items15 Items
Seattle Mariners Champion Baseball T-Shirt - Navy
In 83 carts
$18.74 with code, regular $24.99
 Seattle Mariners Champion Jersey Long Sleeve T-Shirt - White
In 44 carts
$22.49 with code, regular $29.99
 Seattle Mariners Champion Cooperstown Logo Tri-Blend T-Shirt - Royal
In 110 carts
$28.49 with code, regular $37.99
Almost Gone
Seattle Mariners Champion Team Name T-Shirt - White
In 24 carts
$18.74 with code, regular $24.99
Seattle Mariners Champion Women's All-Star T-Shirt - Navy
In 69 carts
$26.24 with code, regular $34.99
 Seattle Mariners Champion Cooperstown Wordmark Lockup Tri-Blend T-Shirt - Royal
In 40 carts
$28.49 with code, regular $37.99
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Seattle Mariners Champion Winning Tradition Cooperstown Collection Tri-Blend T-Shirt - Cream
In 20 carts
Seattle Mariners Champion Cooperstown Winning Tradition Tri-Blend Long Sleeve T-Shirt - White
In 11 carts
Seattle Mariners Champion Women's Soft-Touch Fitted Cropped T-Shirt - Gray
$32.24 with code, regular $42.99
Seattle Mariners Champion Ultimate Tri-blend T-Shirt - White
In 15 carts
$29.99 with code, regular $39.99
 Seattle Mariners Champion Women's Boyfriend Cropped Americana T-Shirt - Navy
In 25 carts
Navy
White
$27.74 with code, regular $36.99
Almost Gone
Seattle Mariners Champion All Star Arched Chenille Wordmark T-Shirt - White
$41.99 with code, regular $59.99
 Seattle Mariners Champion Women's Boyfriend Cropped Americana T-Shirt - White
In 10 carts
White
Navy
$27.74 with code, regular $36.99
 Seattle Mariners Champion Tri-Blend T-Shirt - Heather White
$29.99 with code, regular $39.99
Almost Gone
Seattle Mariners Champion All Star Chenille Wordmark T-Shirt - Navy
$41.99 with code, regular $59.99

Shop Seattle Mariners T-Shirts at Fanatics

Mariner t-shirts in this officially licensed collection represent the full breadth of Seattle Mariners apparel available through Fanatics. Whether you want a classic crew neck or a moisture-wicking Dri-FIT style, the roster of MLB-licensed brands ensures you are wearing genuine team gear. Options span men, women, and kids so the whole lineup can represent T-Mobile Park in style.

As an officially licensed MLB retailer, Fanatics carries Seattle Mariners shirts sourced directly from authorized brand partners including Tiny Turnip, Fanatics MTO Label, and Nike. Every mariners t-shirt ships with the assurance of authentic team logos, official colorways, and licensed construction built to last through a full 162-game season and beyond.

Finding the right Seattle Mariners t-shirt

Start by deciding on sleeve length. Short Sleeve options dominate the catalog with hundreds of choices, while Long Sleeve styles are the go-to for cooler Pacific Northwest evenings at the ballpark. From there, consider fabric: Nike Dri-FIT construction wicks moisture during warm summer games, while Homage and Mitchell & Ness lean into soft-hand retro graphics for a throwback look. If you want a player-specific mariners baseball t-shirt, dedicated pages for roster members let you narrow by name. Tank Tops round out the warm-weather lineup for fans who prefer a cut-sleeve silhouette.

Frequently asked questions about Seattle Mariners T-Shirts

Q: Which Seattle Mariners players have their own t-shirts on Fanatics?

A: Fanatics carries player t-shirts for several current Mariners. You can find dedicated pages for Julio Rodríguez, Cal Raleigh, Randy Arozarena, and J.P. Crawford, among others, each with a range of licensed tee styles.

Q: Does Fanatics carry Seattle Mariners polo shirts?

A: While the primary t-shirt catalog focuses on crew neck and v-neck styles, polo-style tops do surface across brand partners in the broader Seattle Mariners apparel collection. Checking the full Mariners clothing section gives you the widest view of collared and performance-polo options available.

Q: Are there Mariners Dri-FIT shirts available?

A: Yes. Nike produces Dri-FIT performance t-shirts bearing official Seattle Mariners marks. These moisture-management tees are built for fans who wear their gear at the game, during workouts, or on warm Pacific Northwest afternoons when staying cool matters.

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