Do you believe that advanced alien civilizations can help humanity answer our most pressing questions? Then the Search of Extrasolar Sentient Intelligence wants you. Show your allegiance to the organization leading the way in extrasolar sentient discovery and communication with this white Flexfit Pro Formance Cap (ATB101) with the SESI logo embroidered in red thread. This fitted flat-brim hat comes in small or large, and will mark you as being among those pushing the boundaries of everything we know.


Embroidered in the U.S.A. Please allow up to three weeks for delivery domestically and six weeks internationally. If we can ship it sooner, we will.

SESI Hat (White)