Help us spread the gospel of logic
Add your voice to the cause - reason needs a chorus
Wear the mark of evolution. Our Charles Darwin Signature design features the naturalist’s authentic autograph, a subtle but powerful nod to the father of evolutionary biology. Printed on a soft, premium cotton tee, this shirt is a clean and timeless way to celebrate science over superstition.
Historic Signature: Darwin’s autograph in crisp, elegant detail.
Premium Comfort: Soft cotton blend for everyday wear.
Subtle and Bold: Minimalist design with deep meaning.
Conversation Starter: Perfect for science lovers and freethinkers.
Darwin reshaped the world with evidence. This shirt lets you carry his legacy of logic wherever you go.
• 100% ring-spun cotton
• Sport Grey is 90% ring-spun cotton, 10% polyester
• Dark Heather is 65% polyester, 35% cotton
• 4.5 oz/yd² (153 g/m²)
• Shoulder-to-shoulder taping
• Quarter-turned to avoid crease down the center
• Blank product sourced from Bangladesh, Nicaragua, Honduras, Dominican Republic, Haiti or Guatemala
Disclaimer: Due to the fabric properties, the White color variant may appear off-white rather than bright white.
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!