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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.
Sale price 116,95 Regular price 139,80 16% 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.
Sale price 116,95 Regular price 139,80 16% 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.
Sale price 116,95 Regular price 139,80 16% off -
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.
Sale price 64,95 Regular price 69,70 6% off -
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.
Sale price 64,95 Regular price 69,70 6% off -
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.
Sale price 64,95 Regular price 69,70 6% off -
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.
Sale price 69,95 Regular price 79,90 12% off -
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.
34,95 -
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.
34,95 -
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.
34,95 -
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.
39,95 -
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.
Sale price 125,95 Regular price 159,80 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.
How do i prevent an Undershirt from being visible under a shirt?
Choose a slim fit model with a V Neck and a light color. Bamboo Undershirts are thin enough not to show through and long enough to avoid bunching 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 is the best fit for an Undershirt?
That depends on your preference. A slim fit undershirt contours nicely under a dress shirt, while a regular fit offers more freedom of movement. All models stay in place thanks to the extra length.
How long does a Bamboo Undershirt last?
With proper maintenance, your undershirt will stay in top condition for months. If a hole happens to appear within six months, the BOXR No Holes Guarantee ensures you receive a free replacement.
Is Bamboo suitable for sensitive skin?
Certainly. Bamboo is hypoallergenic and soft for the skin. The fiber breathes better than synthetic fabrics, making irritation and itching a thing of the past.
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.
A fit that moves with you
A quality undershirt should never shift or pinch. That is why BOXR bamboo undershirts are designed with extra length to ensure they stay neatly tucked into your trousers. The blend of bamboo and elastane provides a natural stretch that moves with your body while maintaining its shape. Whether you choose a slim fit, regular fit, or long fit, every shirt feels like a second skin: comfortable, airy, and reliable.
When to wear a Bamboo Undershirt
An undershirt is worn for your own comfort, any time of the day. Whether under a dress shirt at the office or beneath a sweater on a cold day, it serves as the perfect base layer. The thin, breathable fabric remains invisible even under light clothing. For those who prefer a standalone look, our Bamboo Tees offer the same comfort with a slightly thicker fabric.
Freshness day after day
Bamboo fibers have natural antibacterial properties that help prevent odors and bacteria from building up. This makes our undershirts ideal for men who travel or stay active. Even after a long day, your shirt feels fresh without compromise.
Keeping your undershirt at its best
Bamboo is a strong fiber that benefits from simple care. To maintain the elasticity and softness, wash your undershirt at a maximum of 40 degrees, air dry it, and avoid fabric softeners. Thanks to the natural elasticity, the shirt keeps its shape wash after wash, lasting as long as your favorite dress shirt.
The BOXR promise
At BOXR, we believe in carefree comfort. Every undershirt comes with our core promises:
- No Holes Guarantee: We provide a free replacement if wear occurs within six months.
- Free Size Exchange: If the fit is not right, exchanging it is easy.
- Sustainable Quality: Always crafted from durable bamboo.
If you need more coverage, explore our Long Sleeve Undershirts. For a lighter option, we also offer the Bamboo Tank Top.
Comfort you notice without feeling it
A great undershirt works silently. BOXR creates basics that fit so well you hardly notice them: no itchy seams, no chafing fabric, and no doubts about quality. We handle the foundation so you can do the rest.
