Description
The I Don't Know How To Act My Age T-Shirt is perfect for anyone who embraces their youthful energy and humor! Featuring the playful text, "I Don't Know How To Act My Age, I've Never Been This Old Before," this T-shirt is ideal for those who don't let their age define them. It's a great birthday gift for someone who is young at heart and loves a good laugh.
Crafted from high-quality, comfortable fabric, this T-shirt is perfect for casual wear, parties, or just adding some fun to your day. Whether you're shopping for yourself or gifting to a friend, this T-shirt will bring a smile to everyone’s face!
Tags: funny t-shirt, young at heart gift, I don't know how to act my age shirt, humorous birthday gift, novelty graphic tee, casual wear, fun t-shirt for adults, witty t-shirt gift.
Graphic Tee Size Guide

Normal Fit
A | B | C | |
---|---|---|---|
S | 27.99 in | 17.99 in | 7.48 in |
M | 28.98 in | 19.49 in | 7.48 in |
L | 30 in | 21.97 in | 7.72 in |
XL | 30.98 in | 23.98 in | 7.72 in |
2XL | 31.97 in | 25.98 in | 8.74 in |
3XL | 32.48 in | 27.48 in | 8.74 in |
4XL | 34.49 in | 28.98 in | 8.74 in |
5XL | 35 in | 30.98 in | 8.74 in |
6XL | 37.48 in | 32.99 in | 8.74 in |
Graphic T-Shirt Details
- Brand : Fruit of the Loom HD Cotton Tee
- Solid Colors : 100% pre-shrunk cotton
- Heather Gray color is 90% cotton/10% polyester
- light Heather Gray is 98% cotton/2% polyester
- Heather Black is 50% cotton/50% polyester
- Fabric Weight: 5.0 oz (Medium-Weight)
- Double-stitched seams at shoulder, sleeve, collar and waist
- Imported; processed and printed in the U.S.A.