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  • Solid color t-shirts are 100% cotton; heather grey is 90% cotton, 10% polyester; charcoal heather is 52% cotton, 48% polyester
  • Ethically sourced
  • Slim fit, but if that’s not your thing, order a size up
  • 4.2 oz (145g), but if that’s too light, try our heavier Classic T-Shirt
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ProgMofo, "Optimized" Edition
Designed by Zed Shaw
CEBTENZZVAT, ZBGURESHPXRE! Do you speak it? Want to wear the ProgMofo t-shirt but don't want to show your hand as a subversive revolutionary who uses curse words? This version of the shirt has the slogan "encrypted" with rot13, an obfuscation technique invented by programmers to curse and offend without offending the easily offended. It also features the safer "" URL. Text on the shirt is: CEBTENZZVAT, ZBGURESHPXRE DO YOU SPEAK IT?
Available on +16 products

Unisex T-Shirt

ProgMofo, "Optimized" Edition by Zed Shaw