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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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Proven by Science [light design for dark t-shirt]
Designed by James Hutson
Based on an design and discussion around what constitutes scientific proof found in the animation “This Thing Called Science Part 1: Call me skeptical”

Unisex T-Shirt

Proven by Science [light design for dark t-shirt] by James Hutson