★★★★★ "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.
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.
★★★★★ "Best underwear I’ve ever worn. I threw out the rest and bought the best! Give these a try." - Eric G.
MALE FERTILITY EXPERTS!
Stud Briefs was designed by two Canadian male fertility experts, Dr. Spence Pentland and infertility author 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. LEARN MORE!
★★★★★ "I trust fertility experts with my testicular health, not fashion desiners and models." - Michael O.
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. LEARN MORE!