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Sale Price $47.05.
Original Price $55.35 per shirt
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Guesstimation T-Shirt
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Colour & Print Process: Dark Grey
Vivid Printing: White Underbase
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Guesstimation T-Shirt
Geeks, nerds, and "takin' a guess" experts will love this humourous tee with a joke inside a joke laugh.
For the uninitiated, Fermi is a term used in scientifically backed guesses, while SWAG is a scientific or Sophisticated Wild-Ass Guess. Either way, it's guesstimation. Buy for your science student or the DIY person flying by the seat of their britches!
Customer Reviews
4.7 out of 5 stars rating32.4K Total Reviews
32,357 Reviews
Reviews for similar products
4.0 out of 5 stars rating
4 out of 5 stars ratingBy Jarrod H.28 May 2025 • Verified Purchase
Basic Dark T-Shirt, Navy Blue, Small
I found the shirt quality itself to be well made. Unfortunately I found that the image quality of the artwork is low resoultion. So the art and words aren't as clear. I probably wont buy another shirt to be honest, but I'm glad I supported the podcast of which I'm a fan of. I was just hoping that for the price I paid, it would have been of better quality.
5.0 out of 5 stars rating
5 out of 5 stars ratingBy B M.24 December 2022 • Verified Purchase
Basic Dark T-Shirt, Black, Small
Zazzle Reviewer Program
this was good quality and perfect colour. Printing was great although when we all opened our secret santa gifts one of the other mechanics commented whoever got that for him missed out part time after the word mechanic
Sorry I don't have any photos
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Anonymous21 November 2024 • Verified Purchase
Basic Dark T-Shirt, Black, Large
The T-Shirt I ordered arrived promptly and in good condition. My partner loved it. Very pleased with this purchase. Fay B.
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Product ID: 256052442445602089
Posted on 20/06/2026, 7:02 AM
Rating: G