
Size chart
| Size | Waist (in) | Waist (cm) |
|---|---|---|
| S | 30-31 | 76-78 |
| M | 32-33 | 81-84 |
| L | 34-37 | 85-93 |
| XL | 38-43 | 94-105 |
| 2XL | 43+ | 105+ |
Take your normal size in boxer briefs. In between sizes or prefer a looser fit? Size up.
Built for 12 hours of dry, cool comfort
So light, you’ll forget you’re wearing them.
Soft on Skin
Soft bamboo that feels like a second skin. No irritation.
Stays Cool
Mesh zones keep air moving. No heat build-up.
Stays Dry
Wicks sweat off your skin. Dry for 12 hours.

Stays Fresh
As fresh at hour 12 as at hour 1.
Skin-Safe
Hypoallergenic. Itch-free, irritation-free.
Stays Put
No-roll waistband and contoured pouch. No chafing.
Dermatologist-Backed Comfort You Can Trust
- Smells stay out, all day.
- No itch, no irritation, even in sensitive spots.
- Soft bamboo, less friction.
- Stays dry and cool, even when you sweat.
Research Shows Clenvox’s Real Impact:
More Than Just Ordinary Underwear
Built for men with balls. Clenvox keeps you cool, supported and free to move.
How it works:
Cool Pouch
Keeps heat from building up.
Free to Move
No squeeze. Just support.
Skin-Safe Bamboo
Breathable, hypoallergenic, gentle on skin.
Keep that fresh-from-the-pack feel, wash after wash
Most boxers lose their fit after a few washes. Clenvox doesn’t.
Lasts up to 3x longer than regular boxers:
Clenvox vs. the rest
![]() | Hanes | Calvin Klein | |
|---|---|---|---|
| Airflow | HeroMesh™ 360° | No | No |
| Odor control | Yes | No | No |
| Safe for sensitive skin | Dermatologist recommended | No | No |
| Fabric | 95% Bamboo5% elastane | 85% Nylon15% Spandex | 95% cotton5% elastane |
| Hole protection | 200 Washes Guarantee | No | No |
| Shrinking | No shrinking | Can occur | Can occur |
| Fit trial | 60 days at home | 14 days | 14 days |
The Clenvox Guarantee
Ethically Sourced Bamboo
Sustainable bamboo you can feel good about.
60 Day Money Back Guarantee
Don’t love them? Full refund or a free replacement.
24/7 Support
Ask anything, anytime.
FAQ
Quick answers
Will I stay dry?
Yes. Bamboo wicks sweat off your skin and mesh keeps air moving. Dry for 12 hours.
Will it stop chafing?
Yes. The contoured pouch holds everything in place and the waistband never rolls.
Will it smell fresh by evening?
Yes. Odor-neutralizing bamboo keeps you as fresh at hour 12 as at hour 1.
Is it safe for sensitive skin?
Yes. Hypoallergenic and dermatologist-backed. If you have a skin condition, ask your doctor.
Will it last?
Yes. Covered for 200 washes. Get a hole and we replace it free.
Can I machine wash it?
Yes. Machine-washable and pre-shrunk.
Didn’t find your answer?
Don’t hesitate to contact us
