Boxer Briefs - Black
Boxer Briefs - Black
Proud USA brand
Stop killing your testosterone
Get your energy and drive back
Ditch the hidden plastic - even in the waistband
100% GOTS & OEKO-TEX certified
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SPECIFICATIONS
SPECIFICATIONS
Fabric — 100% GOTS-certified organic cotton (body, pouch & liner)
Waistband — Wide ~1.75" cotton-covered elastic — zero plastic against your skin
Stretch — Natural give from a premium interlock knit — holds its shape, no bagging
Cut — Boxer-brief, mid-thigh (~6" inseam) — fitted, never compressive
Pouch — Contoured supportive pouch, no-fly front
Seams — Flatlock stitched, chafe-free
Label — Printed tagless care label (no scratchy tag)
Dyes — OEKO-TEX certified non-toxic, low-impact dyes
Free from — PFAS, BPA, phthalates, and microplastic-shedding synthetics
Certifications — GOTS (Global Organic Textile Standard) + OEKO-TEX Standard 100
Origin — Made in the USA
Sizes — S – XXL (size guide above)
Care — Machine wash cold, tumble dry low.
60-DAYS WARRANTY
60-DAYS WARRANTY
60-days warranty.
Try a pair. Hate it? Keep the whole pack — it's on us. No risk, no return shipping, no catch.
Contact us at support@basedguys.com.
SHIPPING & DELIVERY
SHIPPING & DELIVERY
Delivery times :
– United States & Canada: 5 – 8 business days
– Rest of the world: 7 – 12 business days
Tracking: A tracking number is sent by email as soon as your order ships.
Boxer Briefs - Black
See what Others are saying
500,000+ Pairs Sold - 4.7/5 Average Rating
Tired all the time ? Zero drive ? Soft in the middle ?
And nothing you try fixes it.
You blamed your age. Your genes. Your stress.
It's none of those.
It's the one thing you pull on every morning without a second thought — and keep pressed against your body 16 hours a day.
YOUR UNDERWEAR.
Check the label. Polyester, nylon, a "performance" blend, even "stretch" cotton — it's all plastic. And you've worn it against the most sensitive part of your body, all day, every day, for years.
3 Ways Your Toxic Underwear Is Working Against You.
-
IT POISONS YOU
The damage you can't feel is the one doing the most. Plastic fabric doesn't just sit there. It sheds microplastics and leaches hormone-disrupting chemicals (phthalates), straight into the most absorbent skin you've got. And phthalates are known to drag testosterone down.
In 2024, researchers went looking for plastic inside human testicles. They found it in every single one they tested. Every. One. Of. Them. 100%.
You've been absorbing all of it for years — you just never knew.
-
IT COOKS YOU
By the end of the day it's hot, damp, swampy down there. That's not just uncomfortable — it's biology working against you. Your testicles are built to run cooler than the rest of you. That's the whole reason they hang outside your body. Polyester traps heat and sweat against them like a sealed plastic bag. Run your engine hot all day, every day, and it slows down — less testosterone, weaker sperm.
Synthetic fabric is hydrophobic and tightly woven: it holds heat and moisture in instead of letting your body breathe. -
IT CHARGES YOU
Ever feel that static cling when you move? Now picture it against your groin, all day. 1992, a surgeon had men wear polyester against their scrotum. Within months, they went completely sterile. The men in cotton? No charge, no effect. When the polyester came off, their fertility came back.
The Bigger Picture
The Most Overlooked Variable In Men's Health.
Testosterone has been sliding for decades. Sperm counts in Western men have fallen by more than 50% since the 1970s — and the drop is accelerating. Researchers point to a long list of environmental causes. One they almost never name: the plastic fabric pressed against your most hormone-sensitive skin, sixteen hours a day.
No other garment sits against more absorbent skin, for longer, wrapped closer to the organs that run your hormones and your fertility. And most men have never once thought about what it's made of.
Sources: Levine et al., Human Reproduction Update (2017) · University of New Mexico, Toxicological Sciences (2024).
- FROM THE FOUNDER -
The Study that made me Throw Out Every Pair I Owned.
For years I chased the same thing you are — more energy, a body that responds, drive that doesn't flatline by 3pm. I trained, I ate clean, I did the work. The needle barely moved.
So I went down the rabbit hole. The studies you just read — the sterility one, the microplastics one — I'm the guy who stayed up reading them. And somewhere in there it stopped being abstract: the most sensitive part of my body had been wrapped in plastic, all day, every day, for thirty years. Nobody had ever told me to check.
The fix sounded stupidly simple — a boxer with no plastic in it. So I went to buy one.
I couldn't. Every "organic" pair I found still smuggled plastic back in — a synthetic waistband here, a few percent of spandex there, a blend that quietly killed the entire point. The market was lying with a clean-looking label.
So I made the one that doesn't. No plastic against your skin — not the fabric, not even the waistband. Certified by an outside lab, not by us. Made in the USA, because I wasn't handing the thing that touches my body to whoever was cheapest.
I didn't set out to build underwear. I just couldn't find a pair I trusted on the one part of my body I refuse to gamble with.
— Cole Hayes, Founder of BASED
Everyone Says "Organic." Almost Nobody Means It.
The plastic hides in the details — the waistband, the blend, the processing. Line them up, and the "clean" brands fall apart.
| BASED | Synthetic "performance" |
"Organic" bamboo |
Other "clean" cotton brands |
|
|---|---|---|---|---|
| Plastic against your skin | ✓None | 100% plastic | Processed fiber | Often hidden |
| The waistband the part nobody checks | ✓Cotton-wrapped | Synthetic elastic | Synthetic elastic | Spandex / synthetic |
| How the fiber is made | ✓Mechanically, no chemicals | From petroleum | Chemical dissolution (rayon) | Cotton + spandex blend |
| Sheds microplastics | ✓Never | Constantly | Yes | Yes — the spandex |
| Keeps you cool & dry | ✓Yes — it breathes | Traps heat | Still processed rayon | Varies |
| Third-party certified | ✓GOTS + OEKO-TEX | No | Rarely | Self-reported |
| Made in the USA | ✓Yes | No | No | Usually no |
One column has nothing to hide.
That's the whole point.
FAQ
How to size them ?
How to size them ?
They fits true to size. If you’re a medium, order a medium.
What if they don't fit or I don't like them?
What if they don't fit or I don't like them?
Try a pair. Hate it? Keep the whole pack — we'll still refund you. No risk, no return shipping, no catch.
Won't cotton feel sweaty?
Won't cotton feel sweaty?
Opposite. Plastic is what traps sweat against your skin — it's hydrophobic. Cotton breathes and moves moisture away. It's what your skin actually wants against it all day.
How should I care for them?
How should I care for them?
Machine wash cold, tumble dry low. Organic cotton actually gets softer with wear. No special treatment.
What does the science actually say?
What does the science actually say?
Everything on this page is tied to published research you can look up. We don't ask you to take our word — we point you to the sources :
- Microplastics found in 100% of human testes tested (UNM, 2024)
- The electrostatic-fertility work (Shafik, 1992)
- Dr. Shanna Swan's research on phthalates and declining male hormones
Thousands of studies and articles exist. Here are the ones we found most relevant.