Step into Seattle’s vibrant cross-culture of fandom with the 2025 Mariners Emerald City Comic Con Shirt Giveaway. Inspired by the team’s comic-book-style skyline, broadcaster Dave Niehaus’s legendary “My, oh my!” call, and the city’s annual celebration of creativity, this collector’s tee unites baseball devotees, cosplayers, and civic activists alike. Perfect for game day at T-Mobile Park or roaming the Con floor, it signals passion for community, history, and heroic swings—while supplies last.
Swing Into Emerald City: 2025 Mariners Emerald City Comic Con Shirt Giveaway
Front and center, bold teal lettering explodes across a stylized Seattle skyline, crowned by the Space Needle and comic-panel “sound effects.” A silhouette batter waits, bat cocked, beneath Niehaus’s immortal exclamation—an homage every Northwest fan recognizes on first glance. The graphic reads like a splash page: dynamic, optimistic, and undeniably Mariners.

This shirt debuted as the official giveaway for the 2025 Emerald City Comic Con weekend game, when caped cosplayers filled T-Mobile Park and cheered each pitch. By wearing it, you’re joining the documented 47,000-strong crowd whose social feeds lit up with #ECCC and #TrueToTheBlue, proving sport and pop culture can occupy the same panel.
From Ken Griffey Jr.’s sweet swing to Julio Rodríguez’s generational spark, Mariners baseball has long mirrored the city’s creative pulse. Pair that legacy with Emerald City Comic Con—founded in 2003 to champion inclusive storytelling—and you have a garment steeped in two decades of regional pride, civic innovation, and barrier-breaking imagination.
Beyond fandom, every purchase echoes the Mariners Care Foundation’s literacy drives and ECCC’s artist-equity initiatives—projects that level playing fields on and off the diamond. Slip on this giveaway tee, spark conversations about community impact, and keep Seattle’s tradition of rallying together—whether for the ninth inning or the next great graphic novel—vividly alive.








