Sizing Chart
Moku Size Chart
Underwear Size Chart
What’s your size for this product?
To measure your natural waist, measure at your belly button. If your waist is larger than your hips use the narrowest part of your torso to measure your waist. If you're unsure size down - They stretch so it won't be an issue.
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| L /Large |
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Material and Care
Material:
Crafted from 95% premium bamboo its 4x softer than cotton so with care it'll last you ages
Care Instructions:
- Machine wash (cold for best results)
- Use mild detergent
- Do not bleach
- Tumble dry low or hang dry for best longevity
- Avoid fabric softeners (they can reduce breathability)
Bamboo gets softer with every wash — treat it right and it’ll last a long time.
FAQ
Q: Is the fabric really sustainable?
Yes. Our bamboo is sourced from FSC-certified farms that use no pesticides, irrigation, or deforestation. The fabric is made in a closed-loop system that recycles water and avoids harmful chemicals.
What makes it more comfortable than regular underwear?
The design prevents bunching, rolling, and chafing. The bamboo fibers are also naturally soft, breathable, and temperature-regulating for all-day comfort. Bamboo is actually 4x softer then cotton and 3x as breathable!
Is it safe for sensitive skin and long-term health?
Yes. The fabric is free from toxic dyes and harsh chemicals, reducing skin irritation and protecting sensitive areas from chemical exposure and microplastics, which plastic underwear is the main source of in the human body.
What’s your quality and satisfaction guarantee?
We offer 90-day returns for any reason. Beyond that, we stand by our products—if a pair wears out prematurely, we’ll replace it or find a solution, no matter how long it’s been.
ANY QUESTIONS? JUST ASK US ON OUR CONTACT FORM!
How it's Made
Our underwear is designed for real comfort and responsible production.
1. Engineered Comfort
Breathable, anti-bunch, no roll-up, stink or swamp, and perfectly contoured for everyday wear. The organic bamboo fibers outperform any cotton or polyester alternatives.
2. Sustainable Materials
We source bamboo from FSC-certified farms that rely only on rainwater and sunlight—no deforestation, irrigation, or pesticides.
3. Clean Fabric Production
Bamboo fibers are turned into soft fabric through a closed-loop system that recycles water and avoids toxic chemicals or harsh dyes.
4. Ethical Manufacturing
Made in FLA-certified facilities that ensure fair labor, safe conditions, and minimal waste.
5. Carbon-Offset Shipping
Every order’s emissions are fully offset—from factory to your door—earning a verified carbon offset certificate.
Shippping & Returns
We offer fast, tracked shipping on all orders. If you're not completely satisfied, you can return unworn items within 90 days of delivery. To discourage impulse buying, return shipping on preference returns is the buyer’s responsibility. If there is an issue on our side we will immediately replace or refund the order. Simple, no hassle. Any questions? Just hit contact us through our form!
90 Days Money-Back Guarantee
Customer Reviews
★ ★ ★ ★ ★ Rated 4.9/5 by 4500+ Customers
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★★★★★
Finally, Boxers That Stay Dry
I used to sweat through every workout, but these actually breathe. No swampy feeling, no smell, and they still feel new after months of washing.
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★★★★★
I Don’t Even Notice Them Anymore
They’re so light and soft that I forget I’m wearing them. No itching, adjusting, or heat. The boxers actually lasts.
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★★★★★
I’ve tried every “performance” brand out there, but nothing compares to Moku. Functionally, the bamboo fabric actually breathes. I can stay cool, dry, and odor-free through long workdays and gym sessions. Emotionally, it’s a relief not having to think about my underwear anymore theres no discomfort, no distractions anymore, just steady confidence. And, the clean, minimal design feels premium, the kind of quiet quality that makes me look and feel more put-together without even trying.
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★★★★★
Worth Every Dollar
I’ve stopped rebuying cheap cotton packs. These hold their shape and still look brand new after constant wear. Easily the best underwear investment I’ve made.
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★★★★★
First time, nice fit , nice material. What would make them great is removing the seam up the front. Otherwise I like them. Robert
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★★★★★
good fit
Very comfortable. Doesn't chafe on thick thighs.
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★★★★★
The most comfortable underwear I have ever purchased.
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★★★★★
5 star all the way
What can I say but nothing compares. They are durable too. Super comfy and very supportive.
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★★★★★
These are some very comfortable trunks
These are some very comfortable trunks. They feel great and look great. Almost like wearing nothing at all except the support is awesome. I like the briefs also but the trunks are my favorite.
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★★★★★
Perfect leg length trunk
Perfect leg length trunk. Great fabric feel
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★★★★★
I really like the product itself. I love the feel and comfort. I would like to order grey when availabilable
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★★★★★
Same great quality
Same great quality, love the material of course but mad a mistake ordering the 2 X. A little loose in the leg. But won't keep me from wearing them. Now I know to stay with the 1 X.
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★★★★★
Best comfort in the pouch
Best comfort in the pouch ever!
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★★★★★
Excellent choice
Excellent choice. Need grey to go ion sale
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★★★★★
First purchase; moretovcome!
First purchase; more coming when they’re on sale!
Real Results from Real Men
See why 5,000+ men have switched to Moku™ and never looked back.
The Moku™ Difference
98%
Said they feel noticeably more comfortable compared to cotton underwear.
96%
Noticed a significant reduction in odor, moisture, heat, and irritation after switching to bamboo fabric.
92%
Who chose Moku™ stuck with us for more than 5 years.
82%
experienced a boost in energy, and reduction in brain fog since switching to Moku™.
The above information was gathered through Moku™ Surveys
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All Day Breathability
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Moisture wicking
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4x Softer than Cotton
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Odor killing
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No Chafe Technology
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No Bunch Fit
