If you’ve been dying to join the Mutant Nation by purchasing something from the brand’s clothing line. Then now is the time to jump online and score yourself a tee for free. If you buy any Mutant product from the brand’s official website you will be prompted at the cart page to add a shirt at no extra cost. As a heads up the discount won’t be applied right away, you’ll need to wait until the end of the checkout process to see the free item dropped. Mutant have one of the biggest clothing ranges out there and with 8 shirts to choose from you won’t be short of options. The special is only available to customers in the US and while supplies last so be sure to check it out as soon as possible.