![](http://ww2.sinaimg.cn/large/ab1480c6jw1efznkf0dvsj20ld0ej0uk.jpg)
The makers of Wireless Armour claim they protect the wearer from electromagnetic radiation by meshing pure silver into the pouch area (and, indeed, all around).
http://www.cnet.com/news/mens-underwear-claims-to-protect-your-private-parts-from-public-rays/?ttag=fbwl