Word on the Street.
Real People. Real Nostalgia. Here's what their saying.
@jsalgado143: "Mahalo Nui Loa to my guys @knuckleballshop for this awesome Kingdome shirt! Brings back some great memories"-September 15, 2025.
Jamison Durham 
recommends Knuckleball Shop. September 29 uality shirt that was sized accurately and can handle multiple washes without shrinking or losing color. 10/10. Legit.
@downyonders: "Got this shirt from @knuckleballshop. How often do you get to wear a shirt, where you want people to yell at you!? Comfortable and fit to size. A unique way to express "Blue Friday"- October 4, 2025.
Erik Beard recommends Knuckleball Shop. October 14 the shirt! Feels high quality and fits like a high dollar shirt. Material is very comfortable and looks like it will hold up for a long time. I will definitely buy more. I love the sports nostalgia!
Ian Knuckles recommends Knuckleball Shop. October 18 received three shirts now. I have to say the quality is top notch and you can tell they love their products. I’ll be doing business with them again!
Casey Grant recommends Knuckleball Shop. October 26 cool, unique shirts with tons of Seattle sports style. I ordered 3 different shirts in 2 sizes, all arrived quickly. SUPER SOFT, very comfortable. The Randy Land shirt is top notch!
Eric Starker recommends Knuckleball Shop. October 30 . Won a nice T-shirt from them, very comfortable and looks good on me! When there was a delivery issue, they replaced it very quickly. Great store!