This Pi Day shirt might take some people a few seconds to figure out, but when they do, the look on their faces will totally be worth the Pi Day surprise.
This t-shirt is everything you've dreamed of and more. It feels soft and lightweight, with the right amount of stretch. It's comfortable and flattering for both men and women.
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• 100% combed and ring-spun cotton (heather colors contain polyester)
• Fabric weight: 4.2 oz (142 g/m2)
• Shoulder-to-shoulder taping
• Side-seamed
Size guide
| S | M | L | XL | 2XL | 3XL | 4XL | |
| Length (inches) | 28 | 29 | 30 | 31 | 32 | 33 | 34 |
| Width (inches) | 18 | 20 | 22 | 24 | 26 | 28 | 30 |
| S | M | L | XL | 2XL | 3XL | 4XL | |
| Length (cm) | 71 | 74 | 76 | 79 | 81 | 84 | 86 |
| Width (cm) | 46 | 51 | 56 | 61 | 66 | 71 | 76 |