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Critical Mass Clothing
Don't worry, it's just a little radiation
Don't worry, it's just a little radiation
Regular price
$29.00 CAD
Regular price
Sale price
$29.00 CAD
Taxes included.
Yes, bananas are radioactive — and now your shirt can be too (minus the Geiger counter clicks).
This highlights one funny fact: the potassium-40 in bananas gives off natural radiation. Don’t worry, you’d have to eat millions at once to get a dose worth talking about — but it makes for the perfect nerdy conversation starter.
With bold, clean vector art of a smiling banana sporting a radiation symbol, this tee is ideal for science enthusiasts, nuclear energy supporters, and anyone who likes their humor peeled with a side of physics.
• 100% combed and ring-spun cotton (Heather colors contain polyester)
• Fabric weight: 4.2 oz./yd.² (142 g/m²)
• Pre-shrunk fabric
• Side-seamed construction
• Shoulder-to-shoulder taping
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!
This highlights one funny fact: the potassium-40 in bananas gives off natural radiation. Don’t worry, you’d have to eat millions at once to get a dose worth talking about — but it makes for the perfect nerdy conversation starter.
With bold, clean vector art of a smiling banana sporting a radiation symbol, this tee is ideal for science enthusiasts, nuclear energy supporters, and anyone who likes their humor peeled with a side of physics.
• 100% combed and ring-spun cotton (Heather colors contain polyester)
• Fabric weight: 4.2 oz./yd.² (142 g/m²)
• Pre-shrunk fabric
• Side-seamed construction
• Shoulder-to-shoulder taping
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
| LENGTH (inches) | WIDTH (inches) | CHEST (inches) | |
| XS | 27 | 16 ½ | 31-34 |
| S | 28 | 18 | 34-37 |
| M | 29 | 20 | 38-41 |
| L | 30 | 22 | 42-45 |
| XL | 31 | 24 | 46-49 |
| 2XL | 32 | 26 | 50-53 |
| LENGTH (cm) | WIDTH (cm) | CHEST (cm) | |
| XS | 68.6 | 42 | 78.7-86.4 |
| S | 71.1 | 45.7 | 86.4-94 |
| M | 73.7 | 50.8 | 96.5-104.1 |
| L | 76.2 | 55.9 | 106.7-114.3 |
| XL | 78.7 | 61 | 116.8-124.5 |
| 2XL | 81.3 | 66 | 127-134.6 |
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