Security Briefs: Underwear with a silver lining

TheRawFeed is reporting that Swiss clothing manufacturer Isabodywear is releasing a new line of underwear that supposedly protects "men's sperm from harmful cell phone radiation." So, what's the secret? The black briefs are lined with threads of silver to block cell phone rays and reception. To me, the result sounds equal parts extravagant, and difficult to get through an airport metal detector.
Link (in French) via the ever-informative TheRawFeed