You Optimize Everything. Except What Touches Your Skin.
You spend thousands on supplements, track your WHOOP data, and optimize your sleep - but every workout, you're training in plastic.
Your clothing is the health protocol you're missing.
It's Time To Switch
100,000+ Shorts Sold
100% NATURAL FABRICS
3RD PARTY TESTED NON-TOXIC
THIRD
PARTY
TESTED
BUILT-IN-LINER
MERINO WOOL
LINER
NATURALLY SWEAT WICKING
NATURALLY SWEAT WICKING
What’s wrong with polyester?
Made of Plastic
Polyester is PLASTIC. Every time you wear polyester, over 700,000 microplastics shed from the clothes onto your skin and into the air around you.
Potential Testosterone and Fertility Impacts
A groundbreaking study showed wearing polyester underwear made men azoospermic - meaning their sperm count dropped to zero.
BPA and Phthalates
A shocking study found that 100+ activewear brands contained high levels of endocrine disrupting BPA - some even have 40x the legal limit!
PFAS and "Forever Chemicals"
Your "moisture wicking" polyester shorts? Often coated in toxic "forever chemicals" like PFAs - which are linked to reproductive problems.
Our Solution
The Piece Your Protocol Is Missing.
The Apex Short - Made of 100% Organic Cotton & Merino Wool
Made of Natural Fibers
We use 100% organic cotton & 100% Merino wool - no polyester or plastic-based fabrics.
Certified Non-Toxic
Our organic cotton is GOTS certified and our suppliers hold OEKO-TEX Standard 100 certifications, ensuring no harmful chemicals commonly found in traditional activewear.
Breathable & Odorless
Our organic cotton is highly breathable and our Merino wool naturally resists bacteria growth, so you can wear them longer and wash them less.
Made of Natural Fibers
We use 100% organic cotton & 100% Merino wool - no polyester or plastic-based fabrics.
Certified Non-Toxic
Our organic cotton is GOTS certified and our suppliers hold OEKO-TEX Standard 100 certifications, ensuring no harmful chemicals commonly found in traditional activewear.
Breathable & Odorless
Our organic cotton is highly breathable and our Merino wool naturally resists bacteria growth, so you can wear them longer and wash them less.
Athletic Fit & Feel
Our shorts don't fit like some nerdy health product. They have the same exact "activewear" fit you need - without the plastic fabrics.
3rd Party Tested
Not only do we rely on third party certifications, we independently test all of our fabrics - they're completely free of BPA, PFAS, and hormone disruptors.
Super Soft & Comfortable
We use superfine organic cotton & Merino wool - ensuring the softness and comfort you need.
Athletic Fit & Feel
Our shorts don't fit like some nerdy health product. They have the same exact "activewear" fit you need - without the plastic fabrics.
3rd Party Tested
Not only do we rely on third party certifications, we independently test all of our fabrics - they're completely free of BPA, PFAS, and hormone disruptors.
Super Soft & Comfortable
We use superfine organic cotton & Merino wool - ensuring the softness and comfort you need.
SHOP NATURAL FIBER ACTIVEWEAR
Certified & Lab Tested Non-Toxic Gym Shorts
The Apex Short - (100% Organic Cotton + 100% Merino Wool Liner)
100% organic cotton outer short + 100% organic Merino wool liner
Organic cotton from GOTS-certified sources + fabrics from OEKO-TEX certified partners
Fits just like Lululemon shorts
Naturally stretchy, temperature regulating and odor resistant
$66.00
Select Size:
XL
Small
Medium
Large
XL
These Run Small, We Recommend Sizing Up!
Select Color:
Select Inseam:
5.5"
7"
5.5"
7"
Quantity
Pre-Orders Ship November 9th!
BUY ONE GET ONE 30% OFF + Free Shipping
The Apex Short
$99.00
$68.30
SAVE 30%
Added! Click "Add To Cart" Below for 30% Off
100% Natural Fibers
Certified Non-Toxic
3rd Party Tested BPA & PFAs Free
SHIPS IN 24 HOURS
90 DAY EASY RETURNS
FREE SHIPPING OVER $150
Description
- 100% organic cotton outer short + 100% organic Merino wool liner
- Organic cotton from GOTS-certified sources
- OEKO-TEX Standard 100 certified fabrics & dyes
- Our fabrics are 3rd party tested BPA, PFAS and phthalate free - see report here
- Our Merino wool is not superwashed - it's processed using an organic, plastic-free treatment - learn more here
Enough with the polyester shorts with the toxic liners. Switch to Apex shorts made with natural fibers.
Guaranteed to be the most comfortable gym short you've ever worn.
Size Chart
Runs small - we recommend sizing up!
Materials and Care
Shorts: 100% Organic Cotton
Liner: 100% Organic Merino Wool
Care Instructions: Machine wash on cold with gentlest setting available. Wool specific setting if possible. Gentle washing avoids felting and shrinking.
Lay flat to dry. Do not tumble dry.
Wash only when needed - Merino naturally avoids odor, meaning less washing is needed!
Shipping & Returns
FREE Shipping on orders $150+.
If you don't love it, return it (unused) in 90 days for a full refund.
Care Instructions
Cold wash & hang to dry.
Great product!
Been eliminating plastic as much as possible and just started with doing the same with my activewear. Came across these Ryker shorts and not disappointed at all. Sized up one size as recommend to a large as I normally wear medium and the fit is great. The quality also surprised me as I wasn’t expecting much due to these being organic cotton, but they seem pretty durable. I prefer these over my Nero ones as well. Quality on these seem to be better.
Just try them once and you won’t look any further. Hands down, the apex shorts are the most comfortable shorts I’ve ever worn. They’re great for workouts, lounging, sleeping.. honestly, I have a hard time not wearing these everywhere!! I was looking for something without synthetic materials and just assumed I’d be sacrificing health for comfort. The reviews are spot on. The merino wool Ryker uses does not itch at all!!
This is the second occasion I have worn them, and unfortunately, the zipper on the side pocket has already broken. They are exceptionally comfortable, and I am hopeful that this is an isolated incident. I will likely consider purchasing another pair. Regrettably, due to having worn them, they are no longer eligible for return.
Wildly comfortable. I haven't noticed any increase in temperature (compared to other shorts/underwear) when I work out with them. Super happy especially because they are free from plastics and toxins. Trying to transition all my underwear and workout apparel to these slowly since they are a premium price.
Certified & 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 & 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
Why Top Biohackers Trust Ryker
"Ryker is changing the game with gym clothes. What I like is that Ryker's shorts still fit like gym shorts & don't feel like some nerdy "health product" - but they're toxin free, 3rd party tested, and made of 100% natural fabrics. They're now the only shorts I want to wear."
- Ben Greenfield
Athlete, Biohacker, Fitness Coach
Join Ben & 50,000 others who have made the switch to natural fibers
Why Executives Are Switching...
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."
Ryker
vs. "The Other Guys"
Once you see - the choice is clear.
100% organic cotton +
100% Merino wool
Zero endocrine disruptors, 3rd party tested
No microplastic shedding fabrics
Naturally wicks sweat & controls odor, keeping you fresh
Made from nature, optimized for health and performance
"The Other Guys"
100% Plastic (polyester, nylon, spandex)
Often contains high levels of BPA, phthalates, and "forever chemicals"
Up to 700,000 microplastics shed per wash & wear
Traps heat & moisture, making you sweat & stink
Made from plastic bottles, optimized for profit
Shop natural fiber activewear
Shop All Of Our Natural Shorts & Underwear
Buy One Get One 30% Off
SHOP NATURAL FIBER ACTIVEWEAR
Frequently Asked Questions
How do these compare to synthetic brands like Lulu?
Our shorts fit & perform exactly like your Lulus - same athletic cut & range of motion. We've also meticulously designed them with a specialized knit & weave to give them stretch without elastane blends.
The difference is what they're made of. Big brands are made of polyester & nylon (petroleum based plastic). We use 100% organic cotton & Merino wool.
Same fit and function, zero plastic fabrics, zero endocrine disruptors. Most customers who switch tell us the merino liner actually handles moisture and odor better than any synthetic they've worn.
What's the science behind the harms of polyester?
We get it - health claims can often feel like noise. But here's what the research actually shows: peer-reviewed studies have linked polyester undergarments to reduced sperm count, and independent testing has found BPA levels in major activewear brands at up to 40x the legal safety limit. PFAS - classified as 'forever chemicals' by the EPA — are commonly used in moisture-wicking treatments on synthetic fabrics.
Chemicals like BPA and PFAS have been shown to be endocrine disruptors that can impact testosterone and fertility - even at small levels of exposure.
This is why we publish our third-party lab results showing zero BPA, zero PFAS, and zero phthalates in our gear. You can view them here.
Why is it $99?
Organic cotton and merino wool cost substantially more than petroleum-based polyester — because they're not derived from plastic.
Most premium activewear brands charge $70-100 for shorts made from materials that cost a fraction of what ours do. We charge $99 for shorts made from certified organic, independently lab-tested natural fibers. Most of our customers spend more than $99/month on supplements alone. Our shorts are a one-time investment in removing a daily source of endocrine disruptor exposure.
We're proud that we're still priced competitively to premium brands like Lululemon, Vuori, and Rhone - despite using high quality, 100% natural materials.
What are GOTS & OEKO-TEX Standard 100?
GOTS is the Global Organic Textile Standard. It means our cotton has been grown & processed without the synthetic pesticides or toxic chemicals (like formaldehyde), commonly found in conventional cotton.
OEKO-TEX Standard 100 means all of our fibers, fabrics, and dyes have been 3rd party tested for a variety of toxic substances - including BPA, PFAS and other endocrine disruptors. When you wear Ryker, you can be confident you're only wearing the best.
Are your clothes 3rd party tested?
Yes. Not only do we rely on regular factory audits from the governing bodies of GOTS & OEKO-TEX Standard 100, but we also independently test our fabrics & end garments.
You can see our latest test here. Completely free of BPA, PFAs, and phthalates.
What size should I get / will your products shrink?
We almost recommend customers "size up" from whatever they wear in synthetic brands. For example, if you're a medium in Lulu shorts, opt for a large in Ryker.
This is because our gear tends to run a bit small + shrinks ~5% in the wash. This is inherent to a high quality natural fiber.
"Pre-shrunk" cotton is often treated with harmful chemicals to make it that way - and that's not what we're about.
We always recommend washing on the most gentle setting available + laying flat to dry to reduce shrinkage.
What's the return policy?
90-day returns on unworn products. No questions asked. We want you to be confident in the purchase, and we stand behind the product. If it doesn't work for you, send it back.
Shop natural fiber activewear
You Optimize Everything Else. Now Upgrade What Touches Your Skin.
If you already optimize your sleep, your nutrition, and your training, your clothing is the last uncontrolled variable. Close the gap.
Upgrade My Activewear
