Trunks/boxer briefs
The study revealed that men who wore loose-fitting underwear had 25% higher sperm concentration, 17% higher total sperm count, and 33% higher total motile count compared with men who regularly wore tight-fitting briefs.
The study revealed that men who wore loose-fitting underwear had 25% higher sperm concentration, 17% higher total sperm count, and 33% higher total motile count compared with men who regularly wore tight-fitting briefs.
Is this even true? Sounds bullshit to me
boxer briefs only
this and those fruit of the loom athletic ones too. so comfortable