Seattle Mariners EST 1977 Waffle Polo Shirt – Mariners Pride Since the Founding Year of 1977
The Mariners EST 1977 Waffle Polo T-Shirt is made especially for baseball fans who love the Seattle Mariners. The “EST 1977” detail on the shirt is a reminder of the team’s historic journey, from its early days at the Kingdome to its home at T-Mobile Park today. This shirt is more than just apparel – it is a way to show your support for a team deeply connected to the sea and the spirit of navigation.
The breathable waffle-knit design gives this polo a modern casual style, featuring a dominant navy blue tone paired with the Mariners “S” logo, the EST 1977 detail, and bold MARINERS lettering. The overall look feels strong and sporty, while still remaining polished and easy to style.

Product Details:
- Style: Waffle collar polo shirt
- Size: S-4XL
- Material: Polyester fiber
- Color: Various colors.
- Care Instructions: Machine wash cold. Avoid ironing directly on the printed logos and map graphic.
Get your Mariners Established 1977 Waffle Polo Shirt today and add it to your fan gear collection. With its meaningful historical touch and stylish design, this is the perfect piece to proudly show your Mariners spirit anytime, anywhere.








