Men who wear boxer shorts produce higher quality semen, study finds, The Independent
It's the largest study to examine the relationship between underwear choice and sperm quality
Men who wear tight boxers produce lower quality SPERM, study reveals - Mirror Online
Going to bed without underwear?. Why not dude! It's just very…, by Harris V Sibuea
Boxers vs. Briefs and Sperm Count
The World's Best Travel Underwear by One Nova — Kickstarter
Can a Man's Underwear Affect His Sperm Quality? - Concept Fertility
SILVERLINING: Underwear Revolutionized To Protect Your Balls by Ben Segal — Kickstarter
Do Briefs Kill Your Sperm?
Is your underwear helping or hurting your chances of becoming a father?
Boxers or briefs? Loose-fitting underwear may benefit sperm production
Want to be a dad? Wear boxers, not skin-tight briefs
I tried the most innovative underwear crowdfunding can buy
Facts And Myths Of Male Fertility: Tight Underwear, Hot Tubs, Marijuana, And More
8 ways to improve your sperm