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Critical Mass Clothing

Half-life, Full Struggle

Half-life, Full Struggle

Regular price $29.00 CAD
Regular price Sale price $29.00 CAD
Sale Sold out
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Even uranium has its rough mornings.

This “Half-Life, Full Struggle” tee features a tired little U-235 atom clinging to its coffee, surrounded by crumpled paper and existential dread — the perfect mascot for scientists, students, and anyone just trying not to break down before lunch.

With clean, bold cartoon art and a clever nod to nuclear decay, this shirt is ideal for physics fans, nuclear engineers, or anyone who measures their energy output in caffeine doses.

• 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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