The Mr. Fertyl Standard

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Fertility-Friendly Fabric
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Exceptionally Breathable Comfort
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High Impact Sustainability
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Designed to Last

Helping 1,000+ Men Protect What Matters Most

"Consider This Your Sign To Upgrade. You'll Feel The Difference"."

"I'm Literally Throwing Out His Old Ones Because These Are Just Better."

"Never Going Back To The Cheap Stuff."

"Seriously, Once You Try These, You Won't Go Back."

"They Feel Nice. They Feel Very Comfortable."

"Most Brands Use Synthetic Materials That Trap Heat."

"Way Cooler, Way More Comfortable."

"Consider This Your Sign To Upgrade. You'll Feel The Difference"."

"I'm Literally Throwing Out His Old Ones Because These Are Just Better."

"Never Going Back To The Cheap Stuff."

"Seriously, Once You Try These, You Won't Go Back."

"They Feel Nice. They Feel Very Comfortable."

"Most Brands Use Synthetic Materials That Trap Heat."

"Way Cooler, Way More Comfortable."

"Consider This Your Sign To Upgrade. You'll Feel The Difference"."

"I'm Literally Throwing Out His Old Ones Because These Are Just Better."

"Never Going Back To The Cheap Stuff."

"Seriously, Once You Try These, You Won't Go Back."

"They Feel Nice. They Feel Very Comfortable."

"Most Brands Use Synthetic Materials That Trap Heat."

"Way Cooler, Way More Comfortable."

What Experts Are Saying

"We know that chemicals are continually lost from any material over time. It’s a physical reality that the chemicals migrate to your skin from your clothing, with and without sweat."

Miriam Diamond, PhD

Environmental Chemist & Professor at the University of Toronto

"There are multiple chemicals that are put in everything. And your clothing is included in that."

Dr. Elizabeth Seymour, MD

Family Medicine Physician & Environmental Health Specialist in Dallas

"We know that even very low doses of endocrine disrupting chemicals can cause health problems and there may be no safe dose for exposure to EDCs."

Sara Brosché, PhD

Science Advisor at the International Pollutants Elimination Network (IPEN)

"Even if each chemical is below safety thresholds, if you have hundreds of chemicals interacting, what effects does that have?"

Dr. Irina Mordukhovich, PhD

Environmental Health Scientist at Harvard T.H. Chan School of Public Health

"Women who are planning pregnancy should be aware of the harmful effects of PFAS and take precautions to avoid exposure to this class of chemicals, especially when they are trying to conceive."

Nathan Cohen, PhD

Environmental Health Postdoctoral Fellow at Icahn School of Medicine at Mount Sinai

"The chemicals in polyester disrupt testosterone production. The electrostatic charge generated by polyester was responsible for the significant decline in sperm count."

Dr. Shrey Srivastav, MD

Internal Medicine Specialist at Sharda Hospital

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Why We Are Better

Bamboo Lyocell

Organic Cotton

Enhanced Temperature Control

More Breathability

Superior Moisture-Wicking

Naturally Antimicrobial

Greater Durability

Environmentally Superior Fabric

Softer with Luxury Feel

  • Fertility-Friendly Fabrics

    Certified OEKO-TEX 100 with NO harsh chemicals, synthetic dyes, and endocrine-disrupting toxins.

    Explore Fertility 
  • Sustainability, Redefined

    Our closed-loop process recycles 99% of water and utilizes non-toxic solvents, resulting in a fabric that is free from harmful residues.

    Discover Bamboo Lyocell 
  • Shaping Tomorrow

    Our initiative educates on the hidden links between chemicals, fabrics, and fertility. Every pair of our underwear helps spark conversations and empower informed choices for reproductive health.

    Learn More 

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Loved By

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Family Builders
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Conscious Consumers