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Original Price $55.30 per shirt
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Of course I know everything I'm 18! T-Shirt

4.7 out of 5 stars rating
32832 Total Reviews
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Qty:
Basic Dark T-Shirt
-$2.60
+$18.40
Black
Vivid Printing: White Underbase

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About T-Shirts

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Style: Basic Dark T-Shirt

Comfortable, casual and loose fitting, our heavyweight dark colour t-shirt will quickly become one of your favourites. Made from 100% cotton, it's unisex and wears well on anyone and everyone. We’ve double-needle stitched the bottom and sleeve hems for extra durability. Select a design from our marketplace or customise it to make it uniquely yours!

Size & Fit

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

Fabric & Care

  • 100% cotton (Heathers are a cotton/poly blend)
  • Double-needle hemmed sleeves and bottom
  • Imported
  • Machine wash cold

About This Design

Of course I know everything I'm 18! T-Shirt

Of course I know everything I'm 18! T-Shirt

Humourous 18th birthday design that states the obvious "Of course I know everything I'm 18" or at least what every 18 year old thinks. Makes a great 18th birthday gift.

Customer Reviews

4.7 out of 5 stars rating32.8K Total Reviews
25722 total 5-star reviews4984 total 4-star reviews1121 total 3-star reviews511 total 2-star reviews494 total 1-star reviews
32,832 Reviews
5.0 out of 5 stars rating
5 out of 5 stars rating
By JP I.10 July 2014Verified Purchase
Basic Dark T-Shirt, Black, Large
Zazzle Reviewer Program
Heavy cotton. Good quality shirt. It fit our grandson just right. Lettering on the shirt was of excellent quality. Would recommend and would purchase again.
from zazzle.com (US)
Reviews for similar products
5.0 out of 5 stars rating
5 out of 5 stars rating
By Rachel R.4 September 2025Verified Purchase
Basic Dark T-Shirt, Black, Small
Ordered the Irish terrier t shirt. I love it! There was a slight issue with sizing ( my fault) but their customer service was amazing. New t shirt within 5 days. I recommend getting 1 to 2 sizes bigger. I am wearing Men's size large.
5.0 out of 5 stars rating
5 out of 5 stars rating
By Robert C.1 March 2022Verified Purchase
Basic Dark T-Shirt, Black, Large
Creator Review
I purchased this to test to see if zazzle was producing good quality. Needless to say, they are. The sizing runs a bit on the small size though. Print quality is perfect. What you see on the screen is what you get.

Tags

T-Shirts
18thbirthdayyearsoldyrseighteenhappybirthdaysgiftgifts
All Products
18thbirthdayyearsoldyrseighteenhappybirthdaysgiftgifts

Other Info

Product ID: 235105478066100700
Added on 12/7/09, 12:12 pm
Rating: G