This baseball cap is a simple way to protect yourself from 99% of harmful EMF / EMR radiation. Please enjoy our blog post with additional information "Hat Trick". It is made from high quality materials; the outer shell is crafted from 30% wool and 70% cotton and the inner layers has 35% Silverfiber + 65% Organic Cotton. There is an adjustable velcro back closure to accommodate a perfect fit. 

The silver fiber provides RF / microwave shielding performance with up to 85 dB shielding effectiveness from 10 MHz to 18 GHz and beyond. The antimicrobial silver material inside is breathable and resistant to odor and bacteria. This EMF shielding baseball cap protects you from: Fifth Generation Wireless (RF Radiation), Cellular Radiation (RF Radiation), WiFi Radiation (RF Radiation), Bluetooth Radiation (RF Radiation) and it also Blocks UV Light. 

*Hand wash only, do not bleach.