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21 Year Old Bday Geeky Math 21st birthday Gift Hoodie

4.6 out of 5 stars rating
15892 Total Reviews |
by
Qty:
Style
Adult Pullover Hoodie
-$37.30
-$24.25
-$20.50
This style is unisex. Refer to the size chart for your perfect size.
Colour & Print Process
Black
Classic Printing: No Underbase
-$5.60
Vivid Printing: White Underbase

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Style: Adult Pullover Hoodie

Enjoy the comfort of this warm and toasty unisex pullover hoodie. You’re going to love it. We’ve made it from a 283g. cotton-poly blend with a 100% cotton face. It has set-in sleeves and double needle-stitched armholes and bottom band for durability. Customise to make it your own!

Size & Fit

  • Model is 188 cm and wearing a large
  • Garment is unisex sizing
  • Standard fit
  • Runs true to size

Fabric & Care

  • 10 oz (283g). cotton-poly blend with a 100% cotton face
  • Roomy front pouch pocket and hood.
  • Imported
  • Machine wash cold. Tumble dry Low.

About This Design

21 Year Old Bday Geeky Math 21st birthday Gift Hoodie

21 Year Old Bday Geeky Math 21st birthday Gift Hoodie

Celebrate birthdays with a clever twist! This funny math design uses equations and square roots to reveal the age, making it the perfect choice for math lovers, teachers, students, and geeks who enjoy a good nerdy joke. Great for milestone birthdays, classroom celebrations, or anyone who appreciates clever humour mixed with numbers. This witty math-inspired design turns age into a fun square root equation, bringing laughter and geeky charm to any party. Ideal for math teachers, STEM students, engineers, and puzzle fans, it’s a smart and funny way to celebrate birthdays with style. Perfect for cards, shirts, mugs, or party decorations.
Trendy_Birthday
Bronze
Artwork designed by
Manhattan, New York, United States
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Customer Reviews

4.6 out of 5 stars rating15.9K Total Reviews
11309 total 5-star reviews3029 total 4-star reviews884 total 3-star reviews399 total 2-star reviews271 total 1-star reviews
15,892 Reviews
Reviews for similar products
4 out of 5 stars rating
By Katie L.27 June 2025 • Verified Purchase
Adult Pullover Hoodie, White, Adult L
My daughter loves it. I just wish the design was a little brighter and more clear. .
from zazzle.com (US)
5 out of 5 stars rating
By Laural R.1 December 2023 • Verified Purchase
Adult Pullover Hoodie, White, Adult L
Zazzle Reviewer Program
I love it and it came sooner than expected. It is larger than my other size small hoodies and not as thick & soft, but still nice,. Nice color and looks to be a high quality transfer.
from zazzle.com (US)
5 out of 5 stars rating
By Elisa Y.31 May 2023 • Verified Purchase
Adult Pullover Hoodie, Navy Blue, Adult S
Creator Review
The printer did a beautiful job bringing my design into the wearable world! The sweatshirt is excellent quality, and I love the dark green color as well. Magically cozy!
from zazzle.com (US)

Tags

T-Shirts
21st birthday celebrationfunny math birthdaynerdy birthday giftgeek humour designmath teacher giftstem birthday jokeunique milestone birthdayeducational birthday cardclever math designmath lover gift
All Products
21st birthday celebrationfunny math birthdaynerdy birthday giftgeek humour designmath teacher giftstem birthday jokeunique milestone birthdayeducational birthday cardclever math designmath lover gift

Other Info

Product ID: 235545919534818675
Added on 10/9/21, 10:23 pm
Rating: G