“If Grandad said it, it’s basically law—even if he just invented it three seconds ago.”
Every family has one: the man who never lets the truth get in the way of a great story. This shirt is a tribute to the man, the myth, and the master of “improvisational knowledge.” Whether he’s explaining how he once wrestled a bear or why the lawn grows better at a 45-degree angle, this tee lets everyone know that his facts are 100% authentic…ly made up.
The “Seams” (Product Intel):
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The “Boxy” Classic: We use the Gildan 5000. It’s a heavy-duty, 100% cotton tee that actually fits like a shirt should—none of that tight, “active-wear” nonsense.
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Built for the Grill: Double-needle stitching on the sleeves and hem because Grandad doesn’t do “delicate” clothing.
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Comfort First: Seamless sides and a tear-away label, because his only irritation should be the neighbors’ loud music, not his shirt.
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Color: Midnight Black (The official uniform of the “I Know Everything” Club).
📏 The “Grandad Fit” Warning: This is a 100% cotton classic fit. It’s generous in the midsection and runs true to size. Since we custom-print these seams specifically for your favorite storyteller, check the size chart below before ordering. No returns for “too much truth-telling.”
| S | M | L | XL | 2XL | 3XL | 4XL | 5XL | |
|---|---|---|---|---|---|---|---|---|
| Width, in | 18.00 | 20.00 | 22.00 | 24.00 | 26.00 | 28.00 | 30.00 | 32.00 |
| Length, in | 28.00 | 29.00 | 30.00 | 31.00 | 32.00 | 33.00 | 34.00 | 35.00 |
| Sleeve length (from center back), in | 15.10 | 16.50 | 18.00 | 19.50 | 21.00 | 22.40 | 23.70 | 25.00 |
| Size tolerance, in | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 |
























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