100% Natural Fibers
3rd Party Lab Tested
100,000 Pairs Sold
Zero Hormone Disruptors
100% Natural Fibers
3rd Party Lab Tested
100,000 Pairs Sold
Zero Hormone Disruptors
Best Sellers
Buy One Get One 30% Off
The Apex Short
100% Organic Cotton +
100% Merino Wool Liner
Buy One Get One 30% Off
The Ares Short
100% Organic Cotton Short
Titan Boxer Brief
100% Merino Wool Boxer Breif
Hemp Joggers
45% Hemp / 45% Organic Cotton
SHOP BEST SELLERS
Introducing Ryker.
We were tired of toxic plastic activewear - so we built something different.
Ryker is made without the harmful fabrics & chemicals found in traditional activewear. Just natural fabrics like organic cotton & Merino wool. Third party tested & certified to ensure no toxins.
100% Natural Fibers - No Plastic Fabrics
3rd Party Lab Tested BPA & PFAS Free
Breathable, Comfortable, And Naturally Stretchy
DESIGNED FOR ATHLETIC PERFORMANCE
If you already optimize everything else, don't let your activewear be a blind spot. Close the gap.
A word from our founder
"Almost 4 years ago, I couldn't find natural fiber activewear anywhere. I didn't want to wear plastic on my skin anymore. So I founded Ryker.
100% natural fibers, the same athletic fit you need, and 3rd party tested to be free of harmful toxic chemicals. That's the Ryker way."
-Garrett Wilson, Founder of Ryker
Certified & Third Party Lab Tested
Our products use certified materials & 3rd party tests to guarantee our gear is free of harmful chemicals.
GOTS Certified Organic Cotton
Grown without pesticides or harmful chemicals, our cotton is safer for your skin and better for the planet.
OEKO-TEX Certified Materials
And Dyes
Our facilities only use OEKO-TEX Standard 100 certified materials - to avoid the toxins found in traditional apparel.
Third Party Lab Tested
Completely free of BPA, PFAS ("forever chemicals"), and phthalates - so you can trust you're safe.
See Full Lab Results
We Even Publish Our Results...
BPA Free. PFAS Free. Phthalate Free. Full transparency - because that's what you deserve. Full report published below.
See Full Lab Results
★★★★★ Trusted by 50,000+ happy customers
Trusted By Top Health Experts And Biohackers
100% Natural Fibers
3rd Party Lab Tested
100,000 Pairs Sold
Zero Hormone Disruptors
100% Natural Fibers
3rd Party Lab Tested
100,000 Pairs Sold
Zero Hormone Disruptors
US VS THEM
Ryker Vs. "The Other Guys"
They use plastic. We use natural fibers. But that's not the only difference...
"The Other Guys"
Material
100% Organic Cotton Shell + 100% Merino Wool Liner
Polyester, nylon, or modal blends loaded with elastane
Made of Plastic?
Absolutely not - just premium natural fibers from nature, not a lab
Made of 100% plastic - it's like you're wearing a water bottle
PFAS / Toxic Chemicals
Zero - 3rd party tested with published results
Extremely common - with zero transparency or 3rd party testing
Protects from Microplastics
Yes - no plastic fabrics, ever.
Leaches millions of microplastics onto your skin.
Breathability
Naturally breathable - Merino wicks sweat & odor
Synthetics trap heat - only breathable when you add chemicals
Odor Resistance
Naturally antimicrobial - can wear multiple times with NO stink
Bacteria clings to plastic, making you stink after just one wear
Temperature Regulation
Merino regulates – warm when cold, cool when hot
Plastic traps heat – hello swamp crotch
Fertility Safe
Natural fiber, breathable for your boys, no BPA
Polyester underwear literally zeroed sperm counts in studies
Why Customers Are Switching To Natural Fibers...
MH
Mark H.
Founder & CEO
Miami
I optimize everything else. This was my one blind spot.
"I spend $600/month on supplements, recovery, and bloodwork. I track every input that goes into my body. Then I realized I was spending 4 hours a day training in petroleum-based plastic that's been linked to hormone disruption. Once I saw the data on polyester and endocrine disruptors, I couldn't unsee it. Switched to Ryker, and I won't go back. These are now a non-negotiable in my protocol."
MH
William T.
Managing Director
New York
I looked at the research. The decision was obvious.
"I don't buy anything based on marketing alone. I looked at the actual studies on polyester, microplastics, and BPA - and the data is hard to argue with. Ryker's third-party lab results showing zero endocrine disruptors sealed it for me. The Merino liner is genuinely more comfortable than any synthetic I've worn. These are the only shorts I train in now."
MH
James G.
VP, Technology
San Francisco
The last gap in my health stack.
"Eight Sleep, WHOOP, my sauna - I've invested in all of it. But I was still training in polyester shorts that shed microplastics. It's absurd when you think about it. Ryker closed the last gap. The fit is identical to Lululemon, the Merino liner handles sweat better than any synthetic, and I'm not absorbing endocrine disruptors through my skin for two hours a day. Should've done this years ago."
Best Sellers
Buy One Get One 30% Off
The Apex Short
100% Organic Cotton +
100% Merino Wool Liner
Buy One Get One 30% Off
The Ares Short
100% Organic Cotton Short
Titan Boxer Brief
100% Merino Wool Boxer Breif
Hemp Joggers
45% Hemp / 45% Organic Cotton
SHOP BEST SELLERS