Stud Briefs 3-in-1 Crotch Mesh Technology™ will change your life.

  • Ultra-breathable crotch mesh keeps you well ventilated
  • Pushes the crotch forward and away from your hot body
  • Separates the scrotum and penis to maximize cooling
​★★★★★
​"These are just amazing. Love the fit and holds them snug and in place. I don’t think I could ever go back to plan boxer briefs."
- TROY F.

NORMAL UNDERWEAR TRAPS HEAT

Your normal boxer and briefs trap more than 1.4°C (2.5°F) of heat!
​​
This is enough to reduce sperm and testosterone production by over 40%! Learn More.

STUD BRIEFS TECHNOLOGY

Stud Briefs technology uses a cooling mesh, and healthy scrotal support to enhance testicular cooling!

Thermal imaging shows Stud Briefs is on average 1.81°C cooler standard "cooling" underwear.
Have Varicocele or Infertility? Learn More!
​★★★★★
​​"I instantly felt the cooling effect when I changed from my old underwear and put on Stud Briefs."
- JAMES J.

STUD BRIEFS - BENEFITS

TREAT SCROTAL DISEASE & IMPROVE TESTICULAR HEALTH
✓ Improve testicular health
✓ Raise testosterone levels
✓ Increase sperm count and volume
✓ Improve sperm motilty & morphology
✓ Treat infertility, varicocele & hydrocele
✓ Recover from varicocelectomy & vasectomy
✓ Reduce scrotal sagging
✓ Improve testicular blood circulation
​★★★★★
​​"Boxers or briefs? How about some STUDS? Your balls will thank you for it. They keeps my balls cool and support my scrotum effectively."
​- TOMMY J.
​★★★★★
​​"Too big of a boost in my sex drive! My sex drive is literally too high now lmao. Insane what a little testicular care can do for you. The best underwear if you care about your balls and T-levels."
- ​LUKAS E.

WHAT'S THE HEALTHIEST MEN'S UNDERWEAR?

  • BOXERS OR BREIFS? WHICH IS BETTER?
  • NEITHER. THROW THEM BOTH OUT!
  • IN FACT, THROW OUT ALL YOUR NORMAL UNDERWEAR!
  • STUD BRIEFS IS HEALTHIER.
​★★★★★
​​"Best underwear I’ve ever worn. I threw out the rest and bought the best! Give these a try."
- ERIC G.

Designed By FERTILITY EXPERTS!

Stud Briefs was designed by two Canadian male fertility experts, Dr. James Peterson and infertility specialist Daniel Johnson. ​We designed it to be the healthiest underwear in the World! Stud Briefs utilizes a crotch mesh technology that helps maximize testicular cooling.
​Did you know that your father had 2.5X more sperm than you? Sperm counts of Western men have been plummeting year after and have declined by more than 60% since 1973. LEARN MORE!
Now consider that the average 22-year-old man has the same testosterone levels as a 67 year old had in 2000. Average testosterone levels have fallen almost 50% in the last 2 decades! ​LEARN MORE!
​SCIENCE SOURCES​​
  • https://doi.org/10.1093/humupd/dmx022
  • https://doi.org/10.1038/s41598-023-39360-7
  • https://doi.org/10.4038/sljog.v43i4.7982
  • https://doi.org/10.1016/j.theriogenology.2020.08.034
  • https://doi.org/10.1016/j.euf.2020.02.006
​★★★★★
​​"I trust fertility experts with my testicular health, not fashion desiners and models."
- JORDAN T.

testicular health matters

Normal boxers and briefs increase median daytime scrotal temperature by about 1.4 °C (2.5 °F)! Did you know that sperm count decreases by 40% for every 1 °C (1.9 °F) increase of median daytime scrotal temperature? Overheating is also linked to testicular shrinkage and impaired testosterone production.

It's an emergency and your testicular health is on the line. The modern man needs improve his sperm, testosterone, and testicular health. That's why we made Stud Briefs. For men who care about being a man.
SCIENCE SOURCES
  • https://www.sciencedirect.com/science/article/pii/S0890623802000254
  • https://link.springer.com/chapter/10.1007/978-3-662-04491-9_6
  • https://doi.org/10.1016/0378-4320(84)90041-1
​★★★★★
"Airy like my balls are nakid. My balls feel cooler and bigger. Single best hack for my fertility."
- GARY B.​​

539% FUNDED ON KICKSTARTER!

HEALTHY IS THE ULTIMATE COMFORT.

​Try Stud Briefs and experience why no underwear is as comfortable as healthy feels.
​★★★★★
​​"I liked stud briefs so much that I switched out my entire wardrobe for them."
- MICHAEL O.