Next Cult Brand
Funny Gym Shirt for Men - The Lean King Pump Cover T-Shirt - Gym Lion Workout Fitness Tee for Lifters & Gymbros
Funny Gym Shirt for Men - The Lean King Pump Cover T-Shirt - Gym Lion Workout Fitness Tee for Lifters & Gymbros
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- Free shipping from 99€
- Made just for you - zero waste, better environment
- 14-day return policy
Pump Cover Essential – Hide those post-workout pump gains (or lack thereof) in this hilarious gym tee.
Meme-Worthy Design – The Lean King strikes again! This gym shirt screams dedication (and maybe a little desperation).
For Gymbros & Lifters – Whether you're into bodybuilding or powerlifting, this tee is your new gym anthem.
Workout Motivation – Wear this pump cover T-shirt and channel your inner Gym Lion—roaring plates, not excuses.
Unleash your inner Gym Lion with this hilarious funny gym shirt designed for lifters, bodybuilders, and gymbros who take their workouts (and memes) seriously. The Lean King has arrived, and he’s here to dominate the iron jungle—one rep at a time. Whether you’re chasing gains, surviving leg day, or just pretending to know what you’re doing, this pump cover T-shirt is your new gym essential.
Perfect for powerlifting, bodybuilding, or just flexing in the mirror, this gym tee combines humor with gym culture. The meme-worthy design is a nod to those who rule the weights section—no Disney references here, just pure fitness dedication (and maybe a little gym ego).
Wear it as a pump cover to hide those post-workout arms or as a funny shirt to motivate your gym crew. Because let’s be real—every gymbro needs a little laughter between sets. The Lean King isn’t just a T-shirt; it’s a statement. A declaration that you’re here to lift, laugh, and maybe skip cardio.
So if you’re a fitness fanatic, a gym lion in the making, or just love a good workout meme, this top is for you. Roar louder than the plates you drop and wear your gym pride with this must-have tee. Because gains are temporary, but The Lean King legacy? That’s forever.
The 100% cotton unisex classic tee will help you land a more structured look. It sits nicely, maintains sharp lines around the edges, and goes perfectly with layered streetwear outfits. Plus, it's extra trendy now!
• 100% cotton
• Sport Grey is 90% cotton, 10% polyester
• Ash Grey is 99% cotton, 1% polyester
• Heather colors are 50% cotton, 50% polyester
• Fabric weight: 5.0–5.3 oz/yd² (170-180 g/m²)
• Open-end yarn
• Tubular fabric
• Taped neck and shoulders
• Double seam at sleeves and bottom hem
• Blank product sourced from Honduras, Nicaragua, Haiti, Dominican Republic, Bangladesh, Mexico
Disclaimers:
• Due to the fabric properties, the White color variant may appear off-white rather than bright white.
• Dark color speckles throughout the fabric are expected for the color Natural.
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!
Age restrictions: For adults
EU Warranty: 2 years
Other compliance information: Meets the flammability, lead, cadmium, phthalates and formaldehyde level requirements.
In compliance with the General Product Safety Regulation (GPSR), Next Cult Brand ensures that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact us at info@nextcultbrand.com or write to us Next Cult Brand.
Size Chart
Size Chart
Check out our Sizing Guide
Shipping & Delivery
Shipping & Delivery
Your orders are professionally handled by our print-on-demand partners (Printful & Printify), who choose the best shipping options for your location.
📦 Delivery Times: 2-14 business days (varies by location/season)
🚚 Shipping Costs: Calculated at checkout
🎁 Free Shipping: Orders over €99* (most regions)
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Let customers speak for us
from 9984 reviews
As a huge Batman fan and a gym regular, this shirt is just perfect. The material is super soft and has held up really well after multiple washes. I've gotten so many laughs and nods at the gym – it’s a total conversation starter. Finally, a pump cover that shows off my sense of humor along with my (aspiring) gains.

I've worn and washed this shirt a dozen times already, and it still looks brand new. The fit is perfect, and it's soft enough to wear all day. The Cookie Monster design is printed perfectly. It’s my new favorite shirt for both the gym and casual wear.

Absolutely love this shirt! As a bigger guy who's also a huge Batman fan, this design is hilarious and perfect. The material is super soft and the print quality is great. Got my normal size and it fits perfectly.

Wore this to The Weekend concert and got so many compliments. This shirt perfectly combines my love for The Weeknd and the gym. It's comfortable enough to sweat in but cool enough that I’ve worn it out

Saw a guy wearing this at my powerlifting gym and had to ask where he got it. So glad I found it here! The fit is great and the design is awesome. It’s become a staple for the gym. Perfect for anyone who takes their training seriously.

Bought this for my boyfriend and he hasn't taken it off! He's all about that bulking life and loves the Hulk, so this was a perfect match. The sizing was accurate and he said it's one of the most comfortable shirts he owns. Big win!

My husband is a huge Batman fan with a great sense of humor. When I saw this shirt with fat Batman on a scooter, I knew it was perfect. He hasn't stopped wearing it since it arrived! The fit is true to size and the material is soft. A hilarious and well-made tee.

As a powerlifter and a huge AC/DC fan, this shirt feels like it was made specifically for me. The quality is top-notch, and the design is a great conversation starter. It’s refreshing to see gym apparel that’s actually clever and not just another generic brand logo.

The design is genius and the quality is top-notch. It’s become my go-to for the gym. Fits true to size and the graphic is super soft, not that stiff plastic-y feel. Next Cult Brand nailed it with this one.
Do you have questions? We have answers!
How long does shipping take?
Delivery usually takes between 2-14 business days, depending on the exact location and the time of year.
Can I return my package?
Yes, you can return your package within 14 days. Simply send us an email to info@nextcultbrand.com, and we'll guide you through the process. See the full Return Policy.
Why is my tracking information not updating?
Please be patient, as delays, especially through customs, are possible. If the status has not changed after 3 days, contact us at info@nextcultbrand.com
How do I find the right size for me?
We attach great importance to ensuring our clothing fits perfectly. On every product page, you'll find a size chart to help you determine your ideal size. If you're between sizes or unsure, we recommend choosing a size larger. This will ensure the items are comfortable and fit perfectly. See the full Size Guide.