The Bitcoin Diaries
Bitcoin Do The Math Unisex Long Sleeve Tee
Bitcoin Do The Math Unisex Long Sleeve Tee
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DESCRIPTION
DESCRIPTION
You’ve crunched the numbers, now wear the truth. Our “Do the Math” t-shirt makes a bold statement for Bitcoiners who know that the future of money isn’t complicated—it’s simple math. Made from high-quality, soft cotton, this shirt is not only comfortable but also sparks conversations that matter. Perfect for meetups, casual days out, or gifting to fellow Bitcoin enthusiasts.
• 100% airlume combed ring-spun cotton
• Fabric weight: 4.2 oz./yd.² (142.4 g/m²)
• Regular fit
• Crew neck
Size guide
SHIRT LENGTH (inches) | CHEST WIDTH (inches) | CHEST TO FIT (inches) | SLEEVE LENGTH (inches) | |
XS | 27 | 16 ½ | 31-34 | 25 |
S | 28 | 18 | 34-37 | 25 ⅝ |
M | 29 | 20 | 38-41 | 26 ¼ |
L | 30 | 22 | 42-45 | 26 ⅞ |
XL | 31 | 24 | 46-49 | 27 ½ |
2XL | 32 | 26 | 50-53 | 28 ⅛ |
SHIPPING & DELIVERY
SHIPPING & DELIVERY
Typically ships in 3-5 Business Days. We offer a 30-day return/replacement guarantee.

WHY PURCHASE FROM US?
- FREE Worldwide Shipping
- FREE Easy 30 Days Returns
- 100% Money Back Guarantee - Quality & Fit
- Your best experience is our priority.
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Bitcoin Do The Math Unisex Long Sleeve Tee
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