Price: $9.99

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Seinfeld fans who love spending quality time in the gym are sure to go wild for this men’s workout shirt.  The Mandelbaum’s Gym t-shirt from Guerrilla Tees is great for lifting TVs over your head or reminding people that you’re better than them.  And hey, it also makes an awesome gift for fans of the show who need a little 90’s nostalgia in their life. This one comes in varsity gray with an old-timey workout guy and the famed phrase, It’s Go Time!