These vintage effect e=mc2 t-shirts are great for budding mathematicians and scientists out there bud you don't need to be a rocket scientist to flaunt your retro coolness.
Up for the long haul, our standard Trucker Hat features a resilient polyester foam front, and adjustable headband for the perfect fit.
Adjusts from 17" to 24"
Crown measures 4"
100% polyester foam front, 100% nylon mesh weave back
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