Use size chart below for slightly relaxed fit.
For snug fit, size down.

Size Chart

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INTRODUCING

009: COMMANDO
009: COMMANDO 009: COMMANDO
  • 51% Hemp
  • 31% Bamboo
  • 18% Organic Cotton
  • 0% Synthetics

Project 009: Commando

Made with patent-pending DuraFlow™

Project 009: Commando

Made with patent-pending DuraFlow™

My go-to-gear!

"This is my go-to-gear for keeping microplastics off my skin. Super comfortable, durable, breathable and comes with a lifetime warranty."

Dave Asprey

Dave Asprey

The Father of Biohacking

1 in 100 wins gold bar
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3-pack =

10% OFF

+ Free Shipping

6-pack =

20% OFF

+ Free Shipping

10-pack =

30% OFF

+ Free Shipping

Choose Your Size:
Add 3 to get 10% OFF
1 in 100 wins a gold bar

Pre-order your UndrDog Hemp to get the next available batch. Next batch ships:

August 03 Sold Out
October 26 91% SOLD
November 30 0% SOLD
Buy 3 for FREE Shipping
Lifetime Warranty
Material

UnderDog Hemp: 51% Hemp, 31% Bamboo, 18% Organic Cotton

No PFAS, microplastics or toxic chemicals.

Crafted with DuraFlow™ tech (patent-pending) — featuring TriFlow Fabric Construction: three zones, three natural solutions, zero synthetics anywhere. Not even the waistband.

  • Zero Ride-Up: Perfect leg length + natural hemp flex grips gently without bunching. Stays put all day. Zero adjusting. Zero pulling. Done.
  • Super Breathable: Bamboo-driven airflow where you need it most. Cool when it's hot. Dry when it's not.
  • Cooling Weave Pouch: 100% breathable organic cotton construction. Keeps the boys off your thighs. All-day airflow below the belt.
  • Zero Synthetics Anywhere: Not the fabric. Not the waistband. Not the pouch. The part every other 'natural' brand cheats on? We solved it.
  • Tree Rubber Waistband: Natural rubber from trees. Not petroleum-based synthetic elastic. No other underwear brand does this.
  • Non-Toxic: No PFAS. No polyester. No microplastic shedding. No endocrine-disrupting chemicals pressed against your DNA.
  • 2X Bulge Zone: Roomier pouch + higher GSM. More lift. Engineered on purpose. You're welcome.
  • Lightest DuraFlow™ Ever: 140 GSM. Our tees are 260–280.
  • Stronger Every Wash: Hemp gets tougher over time. Not weaker. That's why we guarantee it forever.
  • Holds Shape: Natural rubber waistband outlasts synthetic elastic by years. No sag. No stretch-out.
  • Freeballing Comfort: Machine-softened hemp. Gets better with every wash. Commando feel without going commando.
  • Naturally Antibacterial: Zero odor at the fiber level. No chemical treatment. No spray-on coating that washes out.
  • Hypoallergenic: Allergy and irritation-free. Nothing synthetic touching your skin.
  • Tone-on-Tone Logo: Same color as fabric. Premium. Subtle. No billboard branding.
  • Eco-Smart: All natural fibres. No plastic anywhere.
  • Versatile: Gym. Work. Sleep. Date night. One pair handles all of it.
  • Affordable: Premium construction. Plant-based performance. Fraction of the price.
Size & Fit
  • No Ride-Up: Perfect leg length + natural hemp flex means these stay exactly where you put them. All day. No pulling. No adjusting. No bunching up your thighs.
  • For a relaxed fit, we recommend using your usual size. For a snug fit, size down.
Lifetime UndrDog Warranty

Name one boxer brief brand that offers a Lifetime Warranty.

We'll save you time. There isn't one.

Until now.

Rip them. Wear them out. Put them through hell. We replace them. Free.

Hemp gets stronger every wash. Natural rubber outlasts synthetic elastic by years. We built these to never need replacing.

But if they ever do? One email. New pair. No questions. No fine print. No expiry date.

Just cover the small postage cost to send them back. We handle the rest and ship your new replacement!

Every other brand gives you 30 days. Maybe 90 if they're generous.

We give you forever, baby!

support@undrdoghemp.com

Use size chart below for slightly relaxed fit.
For snug fit, size down.

Size Chart

Real gold. Real odds.

1 in 100 comes with
A FREE 1g gold bar

Gold Bar

1g of .999 fine gold

Worth ~$200 (based on spot price)

Randomly inserted 1 in 100

Delivered straight in the order package

No purchase necessary, see details below

View Full Terms & Conditions

Oops! Looks like this size is sold out...

Done! We'll get in touch soon!

SCIENCE WARNS

Stop Marinating Your Boys in Microplastics.

Your balls called. They're done with toxic underwear!

Scientists found microplastics in:

Your testicles

Your semen

Your penile tissue

And your junk is shrinking…

They said it, not us.

Most underwear? 90% plastic.
Pressed against your DNA. 16 hours a day.

No other brand had the balls to fix it.

We did.

ZERO SYNTHETICS. ANYWHERE

Nothing hidden. Ever.

Not in the fabric. Not in the waistband. Not in the pouch. Nothing. Same DuraFlow™ (patent-pending) hemp & bamboo that's already outlasting everything in your closet.

Same no-PFAS, no-plastic, no-excuses.

Now protecting the part of you that matters most.

ZERO RIDE-UP

Freeballing comfort without going commando. Zero ride-up. Zero adjusting. Perfect flex on thighs. 140 GSM - Our lightest DuraFlow™ (patent-pending) that grips. Stays. Period.

COOLING WEAVE POUCH

Breathes downstairs

100% breathable organic cotton construction. Keeps your nuggets off your thighs. Insane airflow. Supportive where it counts. No sweat rash or itch.

TREE RUBBER WAISTBAND

Plants, not petroleum.

Natural tree rubber blended with highest quality bamboo. Grown from earth, not in a lab. Most other so-called 'natural' boxer brands hide synthetic elastic add the waistband and hide it in the fine print. Yes, recycled plastic is still friekn plastic! We don't compromise.

2X BULGE ZONE

No hype - it makes your junk look bigger. We’re serious. Roomier pouch + double-layer GSM construction on the front. Engineered on purpose. You're welcome.

DURABLE COMFORT

Experts were wrong. They said durability and breathability can't coexist. DuraFlow™ (patent-pending) proved them wrong. They said hemp over 30% is too rough. We machine-softened 51% hemp it and blended it with bamboo.

Experts talk. We build.

PREMIUM LOWKEY BRANDING

You're the hero. We don't need to plaster our name above your family jewels. You advertise your package. We use a subtle raised tone-on-tone branding. You get the attention. Not our logo.

Trusted by 500,000+ Men

GET 009: COMMANDO

Your balls will thank you

Meet OUR FOUNDER

We Used To Sell Polyester.
Then We Found Out What It Does

I built UndrDog to make the world's strongest shirt. Hemp was the answer. But my original blend still used polyester.

My wife Shelby and I had been trying for a baby for four years. I started digging into infertility causes.

What I found? Polyester. Microplastics. PFAS. Pressed against skin. Leaching into bloodstream. Killing sperm.

And I was selling it.

When you know better. Do better.

We made a pivot. Shut down the biz. $300K, 12 months and 37 prototypes later? DuraFlow™ (patent-pending) was born. Zero polyester. Zero synthetics.

Best part? Shelby and I now have a son, our everything.

But I knew the problem wasn't only shirts.

It's also below your belt. Where polyester presses against your balls and your python, 16 hours a day.

COMMANDO has been 18 months in the making. The product no other brand had the balls to build.

SHRINKING BALLS. DROPPING SPERM COUNTS. THIS IS REAL

This isn't fear tactics. This is published science.

A Netflix documentary just put it on screen for 200 million households. Here's what researchers found:

Your Testicles

Microplastics found inside every human testicle tested. Every single one.
  • Zhang et al., 2024

Your Semen

Four types of microplastics detected in human semen. Including polyester-type PET.
  • Zhao et al., 2024

Your Penis

Microplastics found inside human penile tissue.
  • Yu et al., 2024

Your Sperm Count

Men who wore polyester against their testes for 12 months. Zero sperm count.
  • Shafik, 1992

Your Testosterone

Microplastic exposure linked to reduced testosterone levels.
  • Zhang, 2024

Your underwear is 60–90% polyester.

It sits against your most sensitive area all day and all night.

We're not doctors

We're not making health claims

We're showing you what researchers found

And giving you the only boxer briefs on Earth withzero synthetics anywhere.

Tree Rubber Waistband

Cooling
Weave Pouch

Zero Synthetics.
Anywhere

Tone-on-Tone Branding

2X Bulge Zone

Zero Ride-Up

Hemp/Bamboo/Organic Cotton
Get 009: COMMANDO Your balls will thank you

THE HEMP & BAMBOO BOXER BRIEFS YOUR BALLS HAVE BEEN WAITING FOR

Without toxic PFAS ☠️ Forever-Chemicals

Main Hero Image Main Hero Image

No PFAS

No Polyester,
No Microplastics

Breathable

Bamboo-Driven Airflow Where You Need It

Comfortable

Freeballing Comfort.
Zero Ride-Up.

Natural Rubber

Waistband From Trees, Not Petroleum.

Durable AF

Hemp Strength. Gets Stronger Every Wash.

Lifetime Warranty

Buy Once,
Wear For Life

1 in 100 wins FREE GOLD BAR
The Offer

1 in Every 100 Orders Include A Real Gold Bar

No gimmicks. No BS. We’re literally giving away solid 1g gold to real customers. Why? Because while fast fashion robs you… UndrDog rewards you.

Buy Boxer Briefs. You Might Strike Gold.

1g of .999 Fine Gold

Worth ~$200 (Based On Spot Price)

Randomly Inserted 1 in 100 Orders

Delivered straight in the Order package

1 in 100 wins FREE GOLD BAR
Trusted by 500,000+ Men
GET YOU UNDRDOG BOXERS
Lifetime Warranty
Buy 3 = Free Shipping

Lifetime Warranty:
Buy Once, Wear For Life

Name one boxer brief brand that offers a Lifetime Warranty?

Exactly. There isn't one. Until now.

Wrong size? Worn out? We replace them. Free.

Just cover small postage to send them back. We’ll send you a brand new pair.

We give you forever, baby!

<p><strong>Lifetime Warranty:<br/></strong>Buy Once, Wear For Life</p>

Customer Reviews

Frequently Asked Questions
I Dare You To Ask…

Will they actually be comfortable?

Zero synthetics — really? Even the waistband?

Will they ride up?

What makes DuraFlow™ different in boxer briefs?

What's the deal with natural rubber?

How do I wash them?

Lifetime Warranty — really?

What’s UndrDog’s big vision?

Trusted by 500,000+ Men
GET YOU UNDRDOG BOXERS
Lifetime Warranty
Buy 3 = Free Shipping