











Let's Misbehave Muscle Shirt (Black)
Embrace a spirit of adventure with the "Let's Misbehave" muscle shirt. Tailored for those who live life on the edge, this shirt is more than just apparel—it's an invitation to break free and enjoy the thrill of spontaneity. The bold, eye-catching print encourages wearers and onlookers alike to let loose and make the most of every moment. Crafted from lightweight, breathable fabric, this muscle shirt keeps you cool and comfortable, whether you're at the gym or out causing a stir.
This muscle shirt combines sleek design with a bold attitude, perfect for expressing your adventurous personality. The cut highlights your physique, making it an excellent choice for those who want to show off their hard-earned results from the gym or simply enjoy a more relaxed, body-confident fit. It's an essential piece for anyone who believes in living boldly and without regrets.
Not only does the "Let's Misbehave" muscle shirt look great, but it's also built to last. The high-quality fabric resists wear and tear, maintaining its shape and color through workouts, washes, and wear. This durability ensures that your shirt will remain a staple in your wardrobe, ready to accompany you on all your mischievous adventures.
Additional Color Options:
More details
- 100% airlume combed ring-spun cotton
- Lightweight fabric: 4.2 oz/y² (142 g/m²)
- Relaxed fit
EU GPSR Product Information:
- Manufacturer contact information
- Name: MrDirrty
- Email: mrdirrty-shop@support.fourthwall.com
- Postal address: PO Box 5696 Santa Monica, CA 90405
- Additional information: This product is made for adults. Meets the flammability level requirements. 2 year warranty in EEA and UK, established by Directive 1999/44/EC.
Size & Fit
Quality Guarantee & Returns
- Quality is guaranteed. If there is a print error or visible quality issue, we'll replace or refund it.
- Because the products are made to order, we do not accept general returns or sizing-related returns.
Let's Misbehave Muscle Shirt (Black) Size Guide

Size label | Length | Width |
---|---|---|
S
|
26
|
18
|
M
|
27
|
20
|
L
|
28
|
21.63
|
XL
|
29
|
23.63
|
2XL
|
30
|
25.63
|