https://te.legra.ph/Emf-Shield-Hat---Protect-Your-Head-From-Harmful-EMFs-03-29-11 can be worn in many locations and protect your head against harmful EMFs. The hats have two layers, a Faraday cell, a Faraday pocket, and Faraday fabric. These features make a hat ideal for outdoor enthusiasts. Faraday cage A Faraday cage and EMF shield hat