CARE: Silver is naturally odor resistant and rarely requires washing. If necessary, hand wash and hang dry only. Cap circumference 57cm, cap height 27cm, spread cap circumference 28cm
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
**TARGET AUDIENCE:** Designed for protection against cell tower emissions, microwave frequencies, telecommunication devices, smart grids, radar signals, military communications, and more. Electrostatic fabric, shielding for wireless devices, electronic fabrics, and attenuation of EMP and EMI 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%
100% SILVER FIBER FABRIC: 100% silver-nylon blend fabric provides RF radiation shielding to 40000Hz. The EMF radiation protection liner is discreetly hidden underneath. Reduces incoming radiation by 99.9%. Ideal fabric