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We currently are not able to ship items to Estonia, India, Azerbaijan, or Venezuela and there may be a significant delay for shipping to China and Russia.

DEF CON 25 T-Shirt XS or XL & Gold Membership Certificate



To celebrate EFF's 30th anniversary, we're offering vintage DEF CON T-Shirts with a certificate that you can redeem for a year-long EFF Gold Level membership!

EFF's DEF CON 25 T-Shirt features a hexagon puzzle on the back and information about our coders rights project! You can also get our newest member t-shirt by going to our donate page!

This t-shirt comes in sturdy Classic Fit, or a super-soft Slim Fit for all bodies. Be sure to check out our size chart. Size options are limited, so act fast!

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