Our I Hate When People Say Act Like An Adult T-shirt is made for those who know that growing older doesn’t mean you have to grow boring. With its bold, witty message, this tee is a playful reminder that life’s too short to trade laughter and silliness for endless seriousness. Whether you’re out with friends, lounging at home, or just living life your way, this shirt says it loud and proud—you’ll act your age when you’re good and ready.
Soft, premium cotton blend for comfort you’ll love
Unisex fit for a relaxed, everyday style
A great conversation starter and perfect gift for humor lovers and rule-breakers
Size guide |
S |
M |
L |
XL |
2XL |
3XL |
Length (inches) |
28 |
29 |
30 |
31 |
32 |
33 |
Width (inches) |
18 |
20 |
22 |
24 |
26 |
28 |
Chest (inches) |
34–37 |
38–41 |
42–45 |
46–49 |
50–53 |
54–57 |