Get in on the bitcoin craze with this one of a kind dad hat. Inspired by the bitcoin personality Greg Foss, this dad hat is perfect for any bitcoin enthusiast. With "Do The Math" in white lettering, it's a must-have for anyone who wants to show their support for bitcoin. Whether you're at a meetup or just out and about, this dad hat is sure to turn heads.

• 100% pre-shrunk cotton twill
• Soft crown
• 6 sewn eyelets
• 6 stitched rows on the brim
• 6-panel unstructured cap with a low profile
• Seamed front panel without buckram
• Adjustable hook and loop closure
• Blank product sourced from China