Look, we get it—our designs are pretty spectacular (humble brag). But maybe you’ve already scooped up the whole collection and your closet is now 80% SUM Shirts. Or maybe you’ve got a pun so powerful it’s been haunting your dreams. Either way, creating your own custom SUM Shirt is the next logical step.

 

Whether you’re flexing your creative muscles, building a quirky portfolio to impress us (smart move), or just trying to settle a long-standing inside joke with wearable proof, this is your moment. Add + it + up + yourself. Because math might not be everyone’s favorite subject—but math puns? Now that’s a universal language.

 

Make your mark. Make it funny. Make it SUM-thing unforgettable.