Men's Bamboo Trunks – Breathable, No-Ride-Up Boxer Briefs in Knights White
- Low stock - 2 items left
| BRAND | XS | SMALL | MEDIUM | LARGE | X-LARGE | XX-LARGE |
| Bike Athletic | 28-29 | 30-31 | 32-33 | 34-36 | 37-39 | 40-42 |
| Calvin Klein | 24-26 | 28-30 | 32-34 | 36-38 | 40-42 | 44-46 |
| ExOfficio | -- | 30 | 32-34 | 36-38 | 40-42 | 44-46 |
| Mack Weldon | -- | 28-30 | 31-34 | 34-36 | 36-40 | 42-46 |
| PSD Underwear | 24-26 | 28-30 | 32-34 | 36-38 | 40-42 | 44-48 |
| Rhone | 27-29 | 29-30 | 31-33 | 34-36 | 37-39 | 40-44 |
| Stance | 28-30 | 30-32 | 32-34 | 34-36 | 36-38 | 38-40 |
| Tommy Hilfiger | 30-32 | 32-34 | 34-36 | 36-38 | 38-40 | 40-42 |
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Mosmann Men's Bamboo Trunks are men's breathable underwear made from a 95% bamboo, 5% elastane blend, featuring a no-ride-up leg, contoured support pouch, and moisture-wicking comfort for all-day wear.
Classic, confident, and cool — the Knights White trunk pairs a timeless cut with next-level softness. Built for everyday performance with a polished edge, it's the elevated essential you'll reach for on repeat.
Why you'll love them:
- Sustainable bamboo fabric – ultra-soft, breathable, and naturally antibacterial
- Sleek, versatile design – clean white colorway with a modern, tailored fit
- Contoured pouch – targeted support without restriction
- Moisture-wicking comfort – stays fresh and dry through a full day
- Smooth waistband – no itching, no rolling, no digging in
- Shape-retaining stretch – holds up wash after wash
Trunks or boxer briefs? These run a 4.5-inch inseam (11.5 cm), so depending on where you shop, you may see this exact style listed as men's bamboo boxer briefs — same product, different regional naming convention.
FAQ
What are Mosmann bamboo trunks made of? A 95% bamboo, 5% elastane blend — naturally soft, breathable, and antibacterial, with enough stretch to hold its shape wash after wash.
Are these trunks or boxer briefs? Both terms apply. With a 4.5-inch inseam, this style is sold as "trunks" in some markets and "boxer briefs" in others — it's the same cut either way.
Do bamboo trunks help with sweat and chafing? Yes. The moisture-wicking bamboo fabric pulls sweat away from skin, and the no-ride-up leg design is built to prevent chafing during everyday wear or exercise.
Is bamboo underwear good for sensitive skin? Bamboo fabric is naturally antibacterial and smoother than cotton, which makes it a common choice for people with sensitive skin, though individual results vary.
How do I wash bamboo underwear? Cold, gentle machine wash with like colors, using mild detergent only — no bleach or fabric softener. Line dry in shade; skip the tumble dryer, iron, and dry cleaner, since heat and rough handling break down bamboo fibers.
CARE INSTRUCTIONS
- Cold gentle machine wash with like colours
- Use mild detergent – avoid bleach or fabric softeners
- Line dry in shade – avoid direct sunlight to maintain fabric integrity
- Do not tumble dry – heat can damage the fibres
- Do not iron – bamboo fabric is naturally smooth
- Do not dry clean
FABRIC COMPOSITION 95% Bamboo, 5% Elastane
