Celebrate the natural power of nuclear energy with our 'Oklo Nature Did It First' T-shirt. Oklo is a remarkable site in Gabon, Africa, where natural nuclear fission started around 2 billion years ago, long before humans harnessed atomic power. This shirt is perfect for nuclear enthusiasts, engineers, and history buffs who appreciate how nature paved the way for modern clean energy solutions. Comfortable and stylish, it's ideal for sparking conversations about the history of nuclear energy and its role in a sustainable future. Show off your passion for science, history, and clean energy with this one-of-a-kind nuclear energy T-shirt. A must-have for anyone interested in the natural origins of atomic power!
• 100% ring-spun cotton
• Fabric weight: 6.1 oz/yd² (206.8 g/m²)
• Garment-dyed
• Relaxed fit
• 7/8″ double-needle topstitched collar
• Twill-taped neck and shoulders for extra durability
• Double-needle armhole, sleeve, and bottom hems
• Blank product sourced from Honduras
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!
Size guide
| WIDTH (inches) | LENGTH (inches) | SLEEVE CENTER BACK (inches) | |
| S | 18 ¼ | 26 ⅝ | 16 ¼ |
| M | 20 ¼ | 28 | 17 ¾ |
| L | 22 | 29 ⅜ | 19 |
| XL | 24 | 30 ¾ | 20 ½ |
| 2XL | 26 | 31 ⅝ | 21 ¾ |
| 3XL | 27 ¾ | 32 ½ | 23 ¼ |