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Bamboo Undershirts Round-neck 2-Pack 
2-PackBamboo Undershirts Round-neck 2-Pack
Bamboo Undershirts Round-neck 2-Pack
The invisible bamboo base layer that stays perfectly tucked and feels like silk.
34,96 -
Bamboo Undershirts Round-neck 4-Pack 
4-PackSaleBamboo Undershirts Round-neck 4-Pack
Bamboo Undershirts Round-neck 4-Pack
The invisible bamboo base layer that stays perfectly tucked and feels like silk.
Regular price 69,92 Sale price 64,96 7% off -
Bamboo Undershirts Round-neck 8-Pack 
8-PackSaleBamboo Undershirts Round-neck 8-Pack
Bamboo Undershirts Round-neck 8-Pack
The invisible bamboo base layer that stays perfectly tucked and feels like silk.
Regular price 139,84 Sale price 116,96 16% off -
Bamboo Undershirts V-neck 2-Pack 
2-PackBamboo Undershirts V-neck 2-Pack
Bamboo Undershirts V-neck 2-Pack
The invisible bamboo base layer that stays perfectly tucked and feels like silk.
34,96 -
Bamboo Undershirts V-neck 4-Pack 
4-PackSaleBamboo Undershirts V-neck 4-Pack
Bamboo Undershirts V-neck 4-Pack
The invisible bamboo base layer that stays perfectly tucked and feels like silk.
Regular price 69,92 Sale price 64,96 7% off -
Bamboo Undershirts V-neck 8-Pack 
8-PackSaleBamboo Undershirts V-neck 8-Pack
Bamboo Undershirts V-neck 8-Pack
The invisible bamboo base layer that stays perfectly tucked and feels like silk.
Regular price 139,84 Sale price 116,96 16% off -
Bamboo Tank-top 2-Pack 
2-PackBamboo Tank-top 2-Pack
Bamboo Tank-top 2-Pack
The invisible bamboo base layer that stays perfectly tucked and feels like silk.
34,96 -
Bamboo Tank-top 4-Pack 
4-PackSaleBamboo Tank-top 4-Pack
Bamboo Tank-top 4-Pack
The invisible bamboo base layer that stays perfectly tucked and feels like silk.
Regular price 69,92 Sale price 64,96 7% off -
Bamboo Tank-top 8-Pack 
8-PackSaleBamboo Tank-top 8-Pack
Bamboo Tank-top 8-Pack
The invisible bamboo base layer that stays perfectly tucked and feels like silk.
Regular price 139,84 Sale price 116,96 16% off -
Bamboo Long Sleeve Undershirts 2-Pack 
2-PackBamboo Long Sleeve Undershirts 2-Pack
Bamboo Long Sleeve Undershirts 2-Pack
The ultimate bamboo base layer for extra warmth and a seamless, invisible fit.
39,96 -
Bamboo Long Sleeve Undershirts 4-Pack 
4-PackSaleBamboo Long Sleeve Undershirts 4-Pack
Bamboo Long Sleeve Undershirts 4-Pack
The ultimate bamboo base layer for extra warmth and a seamless, invisible fit.
Regular price 79,92 Sale price 69,96 12% off -
Bamboo Long Sleeve Undershirts 8-Pack 
8-PackSaleBamboo Long Sleeve Undershirts 8-Pack
Bamboo Long Sleeve Undershirts 8-Pack
The ultimate bamboo base layer for extra warmth and a seamless, invisible fit.
Regular price 159,84 Sale price 125,92 21% off
A great undershirt is one you do not see, but certainly feel. BOXR creates Bamboo Undershirts for Men that are comfortable, breathable, and completely invisible beneath your clothing. You can say goodbye to fabric bunching up, sweat stains, and skin irritation. It is all about a fresh start to your day. Comfort should be a given, not something you have to think about. With a BOXR Bamboo Undershirt, you are set for success—from your first cup of coffee to your very last meeting.
Frequently asked questions
Check out the BOXR FAQ for answers to all your questions about our comfortable basics.
What are the benefits of a Bamboo Undershirt?
You stay dry under your shirt, it feels silky soft on the skin, and it stays invisible without riding up. Exactly what you should expect from an undershirt, and nothing you need to think about after that.
How do I keep an Undershirt from showing under a dress shirt?
Go for a slim fit model with a V-neck in a light colour. Bamboo undershirts are thin enough not to show through and long enough not to ride up.
Are Bamboo Undershirts suitable for men who sweat a lot?
Yes. Bamboo absorbs up to 70 percent more moisture than cotton and dries faster, making it ideal for warm days or intensive workdays.
What kind of Undershirt suits me best?
That depends on what you're wearing it under. A close-fitting undershirt sits neatly beneath a dress shirt, while a regular fit gives you more freedom of movement. Every model stays put thanks to the extra length.
How long does a Bamboo Undershirt last?
With proper care your undershirt keeps its shape. Should a hole appear within six months, the BOXR No Holes Guarantee gets you a free replacement.
Is a Bamboo Undershirt better than cotton?
For an undershirt, yes. Cotton soaks up sweat and holds onto it, so you spend the rest of the day with a damp layer against your skin. Bamboo wicks it away and dries faster. And because bamboo feels softer, you stop noticing the layer that sits against you all day.
How do I wash an Undershirt?
Machine wash at 30°C with similar colours. No chlorine or bleach, and fabric softener isn't needed. Don't tumble dry: laying it flat to dry keeps the fabric and the fit in the best shape.
Do you need more help?
What Makes a Bamboo Undershirt So Special?
Bamboo fibers feature a natural structure that rapidly wicks away moisture and regulates heat. This results in less sweating, no sticky feeling, and a shirt that stays fresh even on warm days. Compared to cotton, bamboo is softer, lighter, and more breathable. Because bamboo is naturally antibacterial, your undershirt remains clean and odor free for longer. A BOXR undershirt is the ultimate foundation of comfort.
More comfort. Less hassle.
Bamboo is known for its soft feel and breathable properties. That's why a bamboo T-shirt feels good on your skin and stays comfortable on warm days, busy workdays and lazy weekends. Many men switch from cotton to bamboo because it simply wears better.
Put it on and forget you're wearing it
A good T-shirt doesn't ask for attention. It doesn't pinch, doesn't chafe and stays comfortable from your first coffee until you drop onto the sofa at night. That's exactly why we make our bamboo T-shirts: comfortable enough to almost forget you have them on.
What to expect from a BOXR T-shirt
Our bamboo T-shirts combine a soft fabric with a comfortable fit made for everyday wear. The breathable properties help you feel fresh for longer, while the material moves with you through work, downtime and everything in between. The result is a basic that doesn't just feel good when you put it on, but earns a permanent spot in your wardrobe after plenty of wear.
Made to be worn often
A bamboo T-shirt should stand up to intensive use. That's why at BOXR we choose quality you can count on. Wash your shirt according to the care instructions and it will stay looking good for a long time. Does a hole appear within six months anyway? We'll replace it free of charge under our no holes guarantee.
Why men stick with BOXR
Many bamboo T-shirts look alike, but the difference is often in the details. We listen to customer feedback and use those insights to keep improving our products. You can see it in the choices we make, from the materials we use to the guarantees we offer.
- Because comfort comes first: every T-shirt contains bamboo and feels soft from the moment you put it on.
- Because you don't want sizing stress: if your first pick doesn't fit right, we'll exchange it for free.
- Because quality should be a given: if a hole appears within six months, we'll replace the product.
- Because convenience counts: with our multipacks you always have a clean shirt ready.
- Because we keep improving: customer feedback helps us make our basics a little better every time.
Made for days when anything can happen
A bamboo T-shirt adapts to your day without effort. Wear it as an undershirt at the office, as a comfortable basic on your day off or as an extra layer under a jumper when it gets colder. Whatever your plans, a good basic should move with them.
Pick your colour. The rest takes care of itself.
Our men's bamboo T-shirts come in white, brown, light blue, navy and black. Pick a single favourite or go for a multipack so there's always a clean shirt ready. Easy as that.
Three certainties. No surprises.
Always the right size
Not sure about your size? No need to worry. If your first pick doesn't fit quite right, we'll exchange it for another size free of charge.
No holes, no fuss
Our clothing is made for everyday wear. Does a hole appear within six months anyway? We'll replace the product free of charge. It's that simple.
Always bamboo
At BOXR, every garment contains bamboo. No exceptions and no surprises. So you always know what to expect from the material you're wearing.
How to keep your shirt looking good for longer
Wash your bamboo T-shirt at a maximum of 30 degrees with a mild detergent and let it air dry where possible. It helps the fabric, colour and fit stay in shape for longer. Ironing is rarely needed, as bamboo naturally drapes smoothly.
Bamboo or cotton? Here's the difference
Bamboo and cotton both have their strengths. Cotton handles higher washing temperatures and is often a bit cheaper to buy. Bamboo, on the other hand, feels softer, breathes better and many men find it more comfortable on long days. A quality bamboo shirt asks for a little more care in the wash, but rewards you with a feel many men don't want to give up.
Pick your new favourite
With a bamboo T-shirt from BOXR you choose comfort without the hassle. Pick your colour, grab your multipack and leave the rest to us.
