These great e=mc2 tee shirts make great gifts for students and science geeks. They are also great for future scientist. Get your kids into one of these awesome science t-shirts.
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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