Is Your Underwear Sabotaging Your Testosterone?
Most underwear is made with synthetic fabrics, chemical dyes, and hormone-disrupting toxins—right where it matters most. You wear it daily. Your hormones pay the price.
Shop T-Safe Underwear
1,000,000+ Pairs Sold
Made with Organic Cotton
Designed for Performance
Non-Toxic Dyes
Fit Satisfaction Guarantee
Fast & Reliable Shipping
500,000+ Pairs Sold
Made with Organic Cotton
Designed for Performance
Non-Toxic Dyes
Fit Satisfaction Guarantee
Fast & Reliable Shipping
500,000+ Pairs Sold
Toxic Fabrics. Harsh Chemicals. Direct Skin Contact. Your Nuts. Every Day.
Most underwear is made from toxic materials like polyester, nylon, rayon, and spandex—loaded with phthalates, PFCs, and microplastics.
These endocrine-disrupting chemicals are absorbed through your skin—especially after a hot shower or workout.
And you’re putting them directly on your balls. Every. Single. Day.
And you wonder why your testosterone is low? With that toxic conventional underwear, your hormones don’t stand a chance.
Men’s T-Levels Are at all time LOWs - Down Nearly 50% over last 50 Years.
Sperm counts have plummeted.
Infertility rates are at all time highs in young couples.
We’re living in a world of toxins, surrounded by everyday items full of chemicals directly linked to the hormone crisis. Phthalates, BPA, PFA’s, forever chemicals, microplastics, and more.
Wearing hormone-safe underwear is not a fad or some trend, it’s a vital necessity. The little things ARE the big things, and we need every edge we can get.
How it began...
"At 23, I was diagnosed with low testosterone. I cleaned up everything—my diet, my home, my habits—but one thing slipped through the cracks: my underwear, which was leaching toxins onto the part of my body that produces testosterone. That’s when I realized no one was protecting men’s health down there. So we built the solution.
Oh, and I've doubled my testosterone since."
— Dan Baird, CoFounder
Protect your manhood with nads
Underwear Designed to Work With Your Balls, Not Against Them.
NADS uses certified organic cotton and non-toxic dyes. So you can ensure your boys are in an optimal environment to do what they’re supposed to do. Peacefully. Comfortably.
Certified Organic Cotton
Grown without pesticides or harmful chemicals, our cotton is safer for your skin and better for the planet.
Designed for Performance
Lightweight, breathable, and made to move with you—whether you're working out or kicking back.
Better for Balls
Non-toxic, health-first materials that prioritize the health of your package at all costs.
Non-Toxic Dyes
We use only safe, eco-friendly dyes that are gentle on sensitive skin and free from harmful substances.
BUNDLE & SAVE
UP TO 20% OFF
940,000+ Pairs Sold
BUNDLE & SAVE
UP TO 20% OFF
1,000,000+ Pairs Sold
No plastic fabrics on your sensitive area
GOTS-certified organic cotton protection
OEKO-TEX® certified non-toxic dyes
These run small, we recommend sizing up!
Small
Medium
Large
XL
XXL
8 Pack - Extra 20% Savings!
4 Pack - Extra 10% Savings!
2 Pack - Extra 5% Savings!
Fast & Free Shipping
Arrives in 4-7 Days
90-Day Fit Guarantee
Free US Returns & Exchanges
FIT, FEEL, FABRIC
On skin:
Premium organic cotton that’s smooth, breathable, and gentle where it matters. The soft waistband stays put — no itch, pinch, or ride-up.
On the move:
Naturally flexible knit moves with you through desk days, workouts, and travel — and holds its shape all day.
Choosing your size:
We recommend sizing up for the perfect post-wash fit. Between sizes? Go one size up.
5.3" inseam — ideal everyday length
Tagless back — no more scratchy tags
No-roll waistband — stays flat and comfortable
Vertical fly — easy access, no fuss
Snug quad fit — eliminates riding, wedgies, and constant adjusting
Made in Turkey
90-Day Fit Guarantee
We want you to love your NADS from the very first wear. Try on one pair — if the fit’s not right, send your full order back within 90 days for a hassle-free refund.
(Just keep the rest unopened so we can process your return quickly!)
Material & Care
Genital liner: 100% organic cotton
Main fabric: 95% GOTS-certified organic cotton, 5% BPA-free elastane
(Exclusive of waistband elastic, decoration, and trims)
Dyes: Non-toxic and OEKO-TEX® certified — safe for your skin and everything below the belt.
Care: Cold wash, tumble dry low. Shrinkage is normal — size up for the perfect post-wash fit.
Trusted by Top Athletes, Experts, & Biohackers
The World's Healthiest Underwear
We were tired of cheap, conventional synthetic underwear that leached toxic chemicals onto our man parts. We wanted something healthier.
We all wear underwear, and our balls are one of the most absorbent parts of our body. We don’t want to expose them to unnecessary junk like the chemicals in conventional underwear.
FAQs
What makes NADS different from other underwear & how is it organic?
We’re the first underwear brand built with health-first principles. That means organic cotton grown without synthetic pesticides or fertilizers, zero toxic dyes, and no endocrine-disrupting chemicals. Just better fabric, smarter design, and cleaner production for underwear that actually supports your health.
What materials do you use in your underwear & where is it made?
Boxers: 100% Certified Organic Cotton
Briefs: Certified Organic Cotton + 5% BPA/PVC-free elastane & 100% organic cotton package liner
Dyes: Non-toxic OEKO-TEX® certified, water-based, fiber reactive dyes
All of our underwear is produced in Turkey and meets the highest clean-label standards in the industry. No shortcuts.
Why is it $34 a pair?
Because we don’t cut corners. Our premium organic materials cost more, and we partner only with ethical factories that pay workers fairly and maintain safe conditions. Add in durability, comfort, and next-level performance—and you’ve got underwear that’s actually worth it. This is the best organic option on the market.
Will it shrink or fit differently?
We recommend sizing up. Our cotton may shrink slightly after the first wash. If you're between sizes or have an athletic build, definitely size up. Either way, you’re covered by our Fit Satisfaction Guarantee—we’ll send you another size if it’s not perfect.
When will it arrive, and what if I don’t love it?
Orders ship fast from our HQ in Kentucky and usually arrive in 4–7 days. Not loving the fit of your first pair? No problem—we’ll send a different size and make it right.
Not Wearing Organic Underwear Yet?
Your Hormones Notice.
Maybe It’s Time You Did Too.
I’m Ready to Upgrade My Underwear