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© 2019 by HAPPY PEOPLE HIKE, LLC Grand Rapids | Michigan 

Happy People Hike® is a registered Trademark with the United States Patent and Trademark Office.

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Mathematical Genius Hat

Little hiker man + mountains = big smiley face.  It's almost like E=MC² but more fun. Show off your genius while hiking the trails, just be careful because people might think you work for NASA.


Material: Cotton twill snapback with a pre-curved visor.

Color: Grey front with white mesh back