Show your sibling pride (and a little bit of threat) with the “Back Off — I Have a Sister and I’m Not Afraid to Use Her” t-shirt. Perfect for anyone who knows their sister always has their back, this tee combines humor and family loyalty with a playful twist.
Crafted from soft, breathable cotton, it’s comfy enough for everyday wear—whether you’re teaming up with your sister or just reminding people not to mess with you.
Premium cotton blend for lasting comfort and durability
Unisex fit, perfect for casual everyday wear
A funny, lighthearted design celebrating sisterly bonds
Great gift for sisters who share laughs, secrets, and a bit of chaos
| 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 |
