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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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Rule #1 Cardio
Designed by geekery
After the zombie apocalypse, you have to remember the rules if you're going to survive. Rule number one. Cardio.
Available on +20 products

Unisex T-Shirt

Rule #1 Cardio by geekery