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

Size Chart

PageContent

UndrDog Hemp vs. Every
Internet Blank Tee Brand

What’s actually in that shirt you’re wearing?

Check the tag on any “premium” tee in your wardrobe. Same thing: 60-90% polyester.
Aka–Plastic. We compared them all to the one brand that doesn’t.

Every Internet Blank Tee Brand

  • 67%

    Polyester

  • 33%

    Cotton

  • 51%

    Hemp

  • 31%

    Bamboo

  • 18%

    Organic Cotton

0% Polyester 0% Plastic 0% PFAS

What’s In Your Shirt?

Not all “premium” tees are made equal. Here’s what’s actually in them.

  • Primary Material
  • Secondary Material
  • Plastic Content
  • PFAS Chemicals
  • Microplastic Shedding
  • What’s on your skin

Every Internet Tee Brand

  • Polyester (petroleum-based plastic)
  • Cotton or
    Spandex
  • 60-90%
  • Common in "moisture-wicking" treatments
  • Yes - sheds plastic particles with every wash
  • Petroleum
    based synthetic plastic

UndrDog
Hemp

  • Hemp - Earth’s strongest natural fiber
  • Bamboo (Natural
    Plant Fiber)
  • 0%
  • Zero. Completely
    PFAS-free.
  • Zero. No Plastic
    To Shed.
  • Plants.
    That's it.

Check the tag on any of them. Polyester is right there. Polyester is plastic.
That's not an opinion - that's what the material is.

Here's Why That Matters

Polyester is a plastic made from petroleum. This is not debatable - it’s what the material is.

When you sweat in polyester, plastic fibers sit directly against your skin — the largest organ in your body.

When you wash polyester, it sheds microplastic particles into the water. Studies have documented this extensively.

UndrDog uses Zero Polyester. Zero plastic. Zero PFAS chemicals.
Just hemp, bamboo, and organic cotton - combined in our patent-pending
DuraFlow™fabric technology.

What researchers are finding:

How Does It Actually Feel?

Patent-pending DuraFlow™vs. synthetic wicking that traps heat.

  • Airflow
  • After a workout
  • In the heat
  • After 50 washes

Every Internet Tee Brand

  • Synthetic wicking moves sweat but traps heat
  • Wet, clingy, smells
  • Sticks to skin,
    holds sweat
  • Pilling, thinning, stretched

UndrDog
Hemp

  • DuraFlow™bamboo micro-gaps create constant natural airflow
  • Dry, free, no odor
  • Feels like wearing almost nothing
  • Softer, stronger, same shape

DuraFlow™works because bamboo fibers have natural micro-gaps that allow constant airflow. It's
not a chemical coating that washes out. It's the structure of the fiber itself. Patent-pending.

How Long Does It Actually Last?

You're replacing those tees every year. That's by design. UndrDog is
built to never be replaced. That's also by design.

  • Stretches out?
  • Holds odor?
  • Pit stains?
  • Average lifespan
  • In the heat

Every Internet Tee Brand

  • Yes - loses shape after
    15-20 washes
  • Yes - bacteria clings to
    plastic fibers
  • Within months
  • 6-12 months before replacing
  • 30 days, maybe

UndrDog
Hemp

  • No - hemp gets stronger
    with every wash
  • No-bamboo is naturally
    odor-resistant
  • No
  • Lifetime warranty
  • Lifetime. Literally for life.

SEE THE SHIRTundrdoghemp.com

How Does It Actually
Look On A Real Guy?

Most internet tee brands are designed for the guy in the photo. The model. The 6'1"
guy with 12% body fat. UndrDog is designed for real men.

THE “ALPHA FRAME”
FIT PHILOSOPHY

  • Arms & Chest:

    Hugs close - makes arms look bigger, chest look fuller

  • Midsection:

    Slightly looser
    hides the gut, hides
    man-boobs

  • Hem:

    Curved - makes
    you look taller, more proportional

  • Weight:

    Midweight fabric
    holds shape all day, no sagging
    by 3 PM

"An average build looks solid. That's the goal.
Not skinny. Not baggy. Just right.

What Are You Actually Paying?

$38 once versus $420-750 over five years. And you're getting plants instead of plastic.

  • Price per shirt
  • How long it lasts
  • Replacement cycle
  • Annual cost (3-shirt rotation)
  • What's included

Every Internet Tee Brand

  • $28-50
  • 6-12 months
  • Every 6 months
  • $100+/year,
    every year
  • No warranty

UndrDog Hemp

  • $38
  • Lifetime
  • Never
  • $38 once. Done.
  • Lifetime warranty

Check the tag on any of them. Polyester is right there. Polyester is plastic.
That's not an opinion - that's what the material is.

What Guys Are Saying

“After switching from internet tee brands. Real reviews from verified buyers.

4.9

3,200+ Reviews

"I love it and want to wear it every day. My wife's first response was 'I really like that shirt on you.' She rarely notices anything new, but this shirt she definitely did. Looks great and feels great."

Scott V. icnVerified Review

"After a month I find myself reaching for UndrDog at the start of every day. The shirt feels like it's made with high end material and sometimes feels like it's vented because it breathes so well. Pretty cool to know my new everyday shirt is warranty for life."

Troy H.icnVerified Review

"As soon as I put on the first, I could feel the difference. I tested it in the racquetball court and man, the comfort plus the way it handles sweat blew me away. I threw out all of my polyester 'sport' shirts and only wear UndrDogs now. Seriously."

Shane P.icnVerified Review

"After 36 hours of having the first one on, worked outside, slept in a tent most shirts would have been messed up. I rinsed it out while showering outdoors, twisted the water out of it, put it on wet and hiked out. It dried on the walk out."

Avram R.icnVerified Review

“These shirts are the most comfortable, best fitting shirts I have ever owned. They are at home in the gym, in casual dress and dressed up tucked in to some slacks. The wife loves the feel of the material and I have gotten many requests for info from friends, family and strangers.”

Daniel A.icnVerified Review

"Bought one when they first dropped to check them out. I've since gotten rid of all my workout shirts, and any other synthetic fabric shirts, and replaced them with these. I think I've got 12-15 now."

Andrew S.icnVerified Review

Ready To Try The
One That's
Actually Different?

If you’ve been buying the same plastic tees with different logos, and you’re ready to try the one
that’s actually different - UndrDog might be worth five minutes of your time.

Here’s what you’re getting:

  • Lifetime Warranty - not 30 days.
    Not 1 year. Life.

  • Free shipping on all orders

  • 51% hemp, 31% bamboo, 18%
    organic cotton

  • Patent-pending DuraFlow™
    fabric technology

  • Zero polyester. Zero PFAS. Zero plastic.

  • 3-pack? Save more. Every 100th
    order includes a free gold bar.

In Summary…
  • Material
  • Plastic on your skin
  • PFAS chemicals
  • Microplastic shedding
  • Breathability
  • Durability
  • Odor resistance
  • Fit
  • Warranty

Every Internet Tee Brand

  • Polyester
    (petroleum-based plastic)
  • Yes - 60-90%
  • Common
  • Every wash
  • Synthetic wicking
  • 6-12 months
  • Poor - bacteria clings
    to plastic
  • Designed for
    the model
  • 30 days maybe

UndrDog Hemp

  • Plants (hemp, bamboo,
    organic cotton)
  • Zero
  • Zero
  • None
  • Patent-pending DuraFlow™
    natural airflow
  • Lifetime warranty
  • Excellent natural
    bamboo fiber
  • "Alpha Frame" designed
    for real men
  • Lifetime

We Don't Make Claims.
We Destroy Them.

Test 1
icn

Fire Test

Polyester melts into toxic goo. UndrDog burns clean like a campfire. One's plastic. One's plants.

img
Test 2
icn

Fog Test

Blasted fog under both shirts. Polyester trapped it. Heat stays in. UndrDog? Fog flows straight through.

300% more breathable than cotton.

Test 3
icn

BB Gun Test

Fired at a balloon inside each shirt. Other shirts? Shredded. UndrDog? Balloon survived.

4x stronger than cotton.

Test 4
icn

100 Wash Test

Washed it 100+ times. No fade. No sag. No shrink. Still looks brand new.

Warranty for life.

img

What We Obsessed Over

img

Stitch
Density

img

Fabric
Drape

img

Hem
Curvature

img

Arm
Taper

img

Stretch
Recovery

img

Collar
snapback

img

Chemical
Free Softness

img

Durability

img

Airflow
Mesh

img

Gut
Hiding Fit

img

Bicep
Grip

img

Sweat
Resistance

img

Odor
Prevention

img

Shape
Retention

img

Wash
Durability

img
img

Result?

A shirt that gives you insane confidence and changes
how you carry yourself.

FREE GOLD BAR

With 1 in 100 tees

1 in 100 Shirts
Wins Real Gold

  • Not a gimmick.

  • 1-gram gold bar. .9999 fine. Worth ~$200.

  • Randomly inserted.

  • You buy a shirt. You might strike gold.

  • Either way, you win.

EARTH’S LIFETIME TEE:

HEMP. BAMBOO. NO PFAS. GRIPS ARMS. HIDES GUT.

EARTH’S LIFETIME TEE:

HEMP. BAMBOO. NO PFAS. GRIPS ARMS. HIDES GUT.

Hemp is legit! Insanely breathable, soft, durable, and somehow hides my gut” - Daryn T.

1 in 100 Gets Free Gold Bar
Choose Your Size:
metric-icon
SPECIAL OFFER
Select Pack:
1 in 100 wins a gold bar

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

March 18 Sold Out
April 10 94% SOLD
May 29 0% SOLD
🎉 Earth Day Sale Savings auto-applied.
Buy 3+ for FREE Shipping

Lifetime Warranty
Material

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

No PFAS, microplastics or cancerous chemicals.

Crafted with DuraFlow™ tech - blends hemp’s strength and bamboo’s breathability into a satisfying forever-shirt without forever-chemicals.

  • Weight: Midweight comfort with max airflow
  • Stronger Wear: 4x stronger than cotton
  • Super Breathable: Stay cool with Bamboo airflow
  • Moisture-Wicking: Draws sweat, stay dry
  • Holds Shape: No sag or stretch for 30 years
  • Wrinkle-Resistant: Easy low maintenance
  • Eco-Smart: All natural fibres–No plastic
  • Comfort Level: High comfort that lasts
  • Fade-Resistant: Holds color, no fading
  • Affordable: Out lasts 10 ordinary tees
  • Sun-Safe: Natural UV protection
  • Hypoallergenic: Allergy & irritation-free
Size & Fit
  • Fit: Perfectly tight on the arms and chest, loose around the gut. Look jacked regardless of your size.

  • For a slightly relaxed fit, we recommend using your usual size. For a snug fit, size down.
Washing

Just wash and dry it like any other shirt—no special care needed. The fabric's durability and shape retention stay strong, even after multiple washes and machine drying on low heat.

Lifetime UndrDog Warranty

Don’t like the fit? Don’t like the material? Simply contact support@undrdoghemp.com for an easy return. Unmatched Lifetime Warranty. Yep… we’re that cocky confident.

Are There Others Colors? How does UndrDog Work?

This is “Project 001: Midnight”. The only project available to the public. It’s UndrDogs’ Coat-of-Arms. After purchase, you’ll join thousands in the Undrdog collective with unlocked access to future ‘limited edition’ projects (different colors, styles, designs, etc).

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 .9999 fine gold

Worth ~$200 (based on spot price)

Randomly inserted 1 in 100

Delivered straight in the shirt package

No purchase necessary, see details below

View Full Terms & Conditions

Customer Reviews