Oakman Blogs

Practical guides and deeper reads on getting the most from heat, from home saunas to the daily routines that compound.

How to Protect Sperm in a Sauna
Sauna use raises scrotal temperature, which can temporarily reduce sperm count and motility. The solution is active cooling during sessions and breathable underwear the rest of the day to maintain... Read more...
How To Naturally Support Healthy Testosterone
Supporting healthy testosterone naturally comes down to the basics, sleep, resistance training, and managed stress, plus one lever most men overlook: keeping the testicles cool, since heat impairs the temperature-sensitive... Read more...
Does Sauna Affect Testosterone
Sauna use raises scrotal temperature, which directly impairs the function of Leydig cells, the cells responsible for 95% of testosterone production. The effect is reversible, but the cellular mechanism is... Read more...
Does Sauna Affect Male Fertility
Sauna use raises scrotal temperature, which can temporarily disrupt sperm production by impairing sperm count, motility, and morphology. The testicles are designed to operate several degrees Fahrenheit below core body... Read more...
Does Heat Affect Testosterone
Heat directly impairs the function of Leydig cells by disrupting the temperature-sensitive enzymes they rely on to produce testosterone. This effect is established in cellular and animal research: when scrotal... Read more...
Can Cooling Support Testosterone
Cooling the testicles supports the temperature-sensitive Leydig cells responsible for testosterone production. The cellular mechanism is established: keeping the testicles cooler maintains the conditions these cells need to produce testosterone... Read more...
Best Underwear for Men Trying to Conceive
The best underwear for men trying to conceive combines breathable natural fibers, an athletic fit with a gusset for airflow, and active cooling options to maintain optimal scrotal temperature, which... Read more...
What Underwear Keeps You Coolest
MicroModal and Lyocell (TENCEL fibers) run cooler and drier than cotton or synthetics because they wick moisture efficiently and breathe without holding heat. A relaxed fit compounds the advantage by... Read more...
What to Wear in a Sauna (For Men)
A clean towel wrapped at the waist is the simplest option and works in most facilities. If you prefer underwear or shorts, go with natural or naturally derived fibers, loose... Read more...
What Is the Most Breathable Underwear Fabric
MicroModal and Lyocell (both TENCEL-branded wood-pulp fibers) are the most breathable underwear fabrics available. They wick moisture, stay soft against skin, and run cooler than cotton or synthetics. Lightweight cotton... Read more...