Men's Fruitful Boxer 9-Pack
Men's Fruitful Boxer 9-Pack
The world's first underwear scientifically designed to boost male fertility.
Doctor Recommended
Fertile Fruit Clinical Study Results (2025)*:
- Average Increase of 102% in sperm concentration
- Average increase of 51% in sperm motility
- Athletic support with room for healthy temperature regulation
Our proprietary design combines athletic fit with optimal temperature regulation, keeping you 4 degrees cooler for peak sperm production. Made from buttery-soft OEKO-TEX certified modal.
Perfect for men actively trying to conceive or optimizing their reproductive health. Finally, underwear that doesn't make you choose between performance and fertility.
*See full Clinical study results here
Sizing is customized. Please review the sizing chart before placing your order to make sure you have the right amount of room for optimal results!
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Material details
Material details
Modal (95%) & spandex (5%) blend that Oeko-Tex certified.
This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Doctor's are talking about Fertile Fruit
"Data suggests that the type of underwear you wear can significantly impact sperm quality"
"When I discovered what Fertile Fruit was doing in this space, I knew I wanted to team up. They’re not just offering premium underwear — they’re creating real opportunities for individuals to take charge of their reproductive health.
In combination with targeted supplementation and a healthy lifestyle, Fertile Fruit is helping people improve sperm quality and support couples on their fertility journeys.
This isn’t just about comfort — it’s about giving your body the best chance at
success."
The Study. Why Fertile Fruit
In a 2017 study done by Harvard Medical, those that wore loosing fitting underwear daily had:
- 33% more motile sperm
- 25% higher sperm concentration
- 17% more overall sperm
When all it takes is one to get the job done, why not add millions more to increase your odds.
Fertile Fruit underwear provides the fertility benefits of loose bulky underwear but with an athletic breathable design.
OEKO-TEX Fabrics
Incredibly soft organic fabric. Rigorously tested and approved by the gold standard OEKO-TEX.
These will be the softest underwear you've ever worn
As featured on
Don't take our word for it
Adam H
"I'm so happy I found this company. I didn't realize how much control I had over my fertility levels. I only wear boxer briefs and hate traditional boxers so these were perfect for me. Tight in the right spots and loose in the right spots."
David M
"These are extremely comfortable. The starter kit is great and the order came with a great info card that tells you exactly what you need to go to increase your sperm count. Looking forward to taking my next sperm test to see how much I improved."
Don't Stop Now
Learn more about how best to support your fertility goals and overall health