Anti-EMF headwear sells hats, scarves, and waistcoats lined with shielding fabric to block the electromagnetic fields generated by mobile phone handsets. The amount of electromagnetic waves emitted by phones may or may not be very bad for you. Seen here, the Mobile Cap, approximately US$38. From
Handy is a Norwegian based corporation and offers fashionable and specially designed textile products for cellular phone users.

Our products are made of a special fabric, normally used by the military to shield missiles in extreeme mircrowave exposed environments. presents the cutting edge of microwave shielding technology for mobile phones, and it looks fancy and fashionable, too.
Link (via Red Ferret Journal)