Seattle Mariners October Baseball Postseason 2025 Tridents Up Shirt | Embrace the Hunt for October
The air is crisp, the stakes are higher, and the Seattle Mariners are ready to make history. The Seattle Mariners October Baseball Postseason 2025 Tridents Up Shirt is the ultimate way to showcase your loyalty and join the sea of navy and northwest green cheering the team toward a championship. This isn’t just merchandise; it’s a memento of a hard-fought season and a banner of your belief in the M’s. The front of this premium navy tee proudly displays “October Baseball” in a classic, celebratory script, elegantly arched over the iconic Mariners ‘S’ logo and the “2025” year marker. Below, the Postseason logo authenticates this as a genuine piece of baseball history.
This shirt is crafted specifically for the fans who have ridden the waves of the season—the Sodo Mojo believers, the King’s Court veterans, and the new generation of fans inspired by the team’s relentless spirit. We know that being a Mariners fan is about passion and community. That’s why the back of the shirt makes an even bolder statement. The powerful fan-favorite slogan, “TRIDENTS UP,” sits above the large-scale Mariners compass rose logo. At its pinnacle, a gleaming gold trident rises, symbolizing the team’s power and the fans’ unified support. This powerful, dual-sided design ensures your allegiance is visible from every angle, whether you’re at the ballpark, a watch party, or representing the M’s in enemy territory.

The Seattle Mariners’ 2025 postseason is a story waiting to be told, and you are a vital part of it. This shirt is your ticket to being part of the narrative. It’s the perfect gift for the lifelong Mariners fan in your life or the ideal way to treat yourself as you cheer on every pitch. The journey through October is an unforgettable experience. Don’t let it pass by without the gear to commemorate it. Stock is limited, so order yours today and get ready to raise the trident high!
Product Specifications:
- Classic T-Shirt G500: Made from 90% cotton and 10% polyester for breathability and comfort.
- Premium SS T-Shirt NL3600: Heather Gray blend of 90% cotton and 10% polyester; pre-laundered for a soft finish.
- Pullover Hoodie G185: Crafted with 55% cotton and 45% polyester for a cozy and durable feel.
- Crewneck Sweatshirt G180: Features a blend of 55% cotton and 45% polyester, perfect for casual wear.
- Long Sleeve T-Shirt G240: Ash is 99% cotton, 1% polyester; Sport Grey 90% cotton, 10% polyester; Dark Heather 50% cotton, 50% polyester.
- Jersey Tank 3480: 100% combed and ringspun cotton for softness and long-lasting quality.
- Sleeve Raglan NL6051: 50% polyester, 25% combed ringspun cotton, 25% rayon jersey for a premium blend of comfort and stretch.
- Ladies T-Shirt: 100% preshrunk cotton; Ash Grey is 99% cotton, 1% polyester for a perfect fit.