You Know Nothing-Socrates Trucker Hat Was Socrates right when he said: "The only true knowing is knowing you know nothing" or was he just self-depreciating to help himself get a girlfriend (or boyfriend)? Enjoy this Socratic quotation. Product InformationUp 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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