SZYDM EMF 5G Radiation Protection Cap Shielding Electromagnetic Hat Baseball Cap Outdoor Sun Hat,Summer Running Cap,UV Protection,Gray

3G,4G,5G PROTECTION: Guards your head against EMF's while remaining stylish. Allows you to protect on the go whilst remaining inconspicuous. 39.7dB EMF shielding at 10GHz! Help prevent high frequency 4G,5G radiation 360°RADIATION SHIELDING: EMF shielding liner exceeds 99% reduction of high frequency RF and millimeter wave frequencies and is lined throughout the inside of the entire hat. Average reduction to the head inside the hat exceeds 90% Internal 100% SILVER FIBER FABRIC: 100% silver-nylon blend fabric provides RF radiation shielding to 40000Hz. The silver fiber radiation protection is a high-tech product obtained by permanently bonding silver to a fiber surface through a special technique. Ideal fabric APPLICABLE PEOPLE: Suitable for shielding cell phone towers, microwave signals, telephones, smart meters, radars, military broadcasts, etc. Electrostatic cloth, wireless instrument shielding, electronic textiles, reduce EMP and EMI radiation. CARE: Silver is naturally odor resistant and rarely requires washing. If necessary, hand wash and hang dry only. Silver naturally changes color over time but this does not effect the EMF shielding capabilities. Cap circumference 58-64cm, visor width: 7.5cm, cap depth: 12cm