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  • Plain 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
  • 4.2oz/145g, but if that’s too light, try our heavier classic tee.
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Pythagorean Theorem
Designed by GroovyGecko
My dad, being a maths and computer nerd, always thought the Pythagorean Theorem would look cool on a T-shirt. So for Father's Day, I've made one especially for him. Happy Father's Day, Dad! :D
Available on +46 products

Unisex T-Shirt

Pythagorean Theorem by GroovyGecko