The only Men's Big & Tall Bamboo Viscose Clothing Brand in the World.
5XL Shirts Made for Big Guys Who Want More Than Just “Available in Your Size”
Ultra-soft bamboo shirts with the room, length and relaxed drape a true 5XL body needs, in styles and colors you’ll actually want to wear.
If You Wear 5XL, You’ve Probably Learned to Settle.
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The shirt fits your chest, but pulls across your stomach.
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The body is wide but still somehow too short.
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The sleeves get huge, but the rest of the proportions still feel wrong.
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One brand’s 5XL fits like another brand’s 4XL.
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You find a style you like, then discover it stops at 3XL or 4XL.
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And when 5XL is available, your “choices” are black, gray and maybe navy.
Big guys deserve more than whatever happens to come in 5XL.
A Better 5XL Starts With Designing for 5XL Bodies
A 5XL shirt needs more than extra width.
It needs room through the chest and midsection, enough body length for proper coverage, sleeves that stay in proportion, and fabric that drapes naturally instead of hanging like a tent.
Big Boy Bamboo specializes in Big & Tall men’s shirts from 2XL through 8XL.
5XL Isn’t an Edge Size Here. It’s One of Our Core Sizes.
At Most Brands, 5XL Feels Like the End of the Road.
At Big Boy Bamboo, You Still Have Room to Go.
We make Big sizes through 8XL, so 5XL isn’t the end of our size chart. It’s simply another size we design for.
More Shirt Means Fabric Matters Even More
A 5XL shirt uses substantially more fabric than a standard size. So if the material is stiff, heavy, scratchy or hot, you feel more of it.
That is why Big Boy Bamboo uses:
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70% Organic Bamboo Viscose
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30% Organic Cotton
Exceptionally Soft
Comfortable against more of your body.
Relaxed Drape
Falls naturally instead of sticking or standing away.
Breathable Comfort
Lighter-feeling fabric can make a real difference in a larger shirt.
Comfortable Movement
Room to sit, stand, bend, and move without constantly adjusting your shirt.
Find Your New Favorite 5XL
Crew Neck. V-Neck. Pocket Crew Neck. Nine colors. One seriously comfortable fit.
5XL Shouldn’t Mean Black, Gray or Blue Only
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Licorice (Black)
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Blueberry (Dark Blue)
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Oyster (Dark Gray)
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Wine (Red)
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Pesto (Dark Green)
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Eggplant (Purple)
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Chocolate (Brown)
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Candy Apple Red
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Milk White (Coming December)
Because your size shouldn’t decide your color palette.
Already Wear 5XL? Here's What to Know.
Big Boy Bamboo shirts are intentionally cut generously for Big & Tall men and may feel roomier than some mainstream 5XL shirts.
For the best first-order fit, lay a favorite shirt flat and compare it with our Size & Fit Guide.
Between 4XL and 5XL?
Use the actual shirt measurements rather than relying only on the size label.
Need more room?
We offer Big sizes through 8XL.
Need more length?
Our Tall sizes are available through 4XLT.
Still unsure?
Exchanges are free, so finding your Big Boy Bamboo fit doesn’t have to be a gamble.
Once You Find a 5XL That Fits, Build Around It
Mix colors and styles to build your rotation.
Buy More. Save More. Look Fantastic.
✅ 2 Shirts - Save 5%
✅ 3 Shirts - Save 8%
✅ 4 Shirts - Save 10%
Build Your Bamboo Week.
✅ 7 Shirts - Save 20%
Finding one great 5XL shirt is good. Having a full rotation is better.
Finding a Great 5XL Is Hard Enough.
Trying One Shouldn't Be.
✔ Free returns
✔ Free exchanges
✔ 100% satisfaction guarantee
✔ Free U.S. shipping on qualifying orders
The only real risk is that your other T-shirts stop getting worn.
FAQs About Our 5XL Bamboo Shirts
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The best way to care for bamboo fabric is to wash it in cold water with an eco-friendly detergent and then hang it to dry. If you follow these care instructions, our shirts will not shrink and will last for years.
Stop Settling Just Because You Wear 5XL
You shouldn’t have to choose between the right size, a comfortable fit and a shirt you actually like. Big Boy Bamboo gives 5XL men the room, softness, styles and colors other brands too often leave out.
What Makes Big Boy Bamboo Different?
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Made for Big & Tall Men
Generously proportioned sizes from 2XL to 8XL and Tall sizes from 1XLT to 4XLT.
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Incredibly Soft Bamboo Fabric
Premium bamboo viscose blends designed for exceptional softness, comfort and drape.
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Comfort Without Compromise
Room where Big & Tall men need it, with Crew Neck, V-Neck, and Pocket Crew Neck styles.
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Family-Owned. Shipped from Las Vegas.
Big Boy Bamboo is a family-owned American company shipping directly from Las Vegas, Nevada.
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A Brand That Stands Behind Every Shirt
Free U.S. shipping on $100+ orders and our 100% Satisfaction Guarantee.
Why You'll Love Big Boy Bamboo
100% Money Back Guarantee
If you don’t agree that these are the softest, most comfortable shirts, we'll buy them back from you. We'll even pay for the return shipping!
Free Easy Returns & Exchanges
If you ordered the wrong size or just don't like our shirts, that's no problem! We’ll replace them with a size that fits you or take them back with full refund!
Safe, Secure Checkout
Your information (for example, passwords, credit card information, addresses) is private when it is sent to this site.
100% Satisfaction Guarantee
As an internet-based company, we can tell you all day that our shirts are so soft, you won't be able to stop touching yourself... but feeling is believing.
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© 2016-2026, Big Boy Bamboo (Smart Bamboo Technologies, Inc.), Las Vegas, NV. 11 Years of making Big & Tall men feel and look their best!